./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.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_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/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_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/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_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/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 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:28:33,134 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:28:33,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:28:33,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:28:33,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:28:33,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:28:33,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:28:33,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:28:33,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:28:33,259 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:28:33,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:28:33,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:28:33,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:28:33,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:28:33,261 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:28:33,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:28:33,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:28:33,262 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:28:33,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:28:33,262 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:28:33,263 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:28:33,264 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:28:33,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:28:33,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:28:33,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:28:33,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:28:33,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:28:33,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:28:33,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:28:33,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:28:33,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:28:33,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:28:33,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:28:33,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:28:33,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:28:33,267 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_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/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 -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849
[2024-11-23 23:28:33,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:28:33,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:28:33,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:28:33,602 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:28:33,602 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:28:33,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i
[2024-11-23 23:28:36,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/data/b979fddda/5246d9bad3f64a55b79fae22e59a799c/FLAG597a46948
[2024-11-23 23:28:36,922 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:28:36,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i
[2024-11-23 23:28:36,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/data/b979fddda/5246d9bad3f64a55b79fae22e59a799c/FLAG597a46948
[2024-11-23 23:28:37,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/data/b979fddda/5246d9bad3f64a55b79fae22e59a799c
[2024-11-23 23:28:37,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:28:37,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:28:37,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:28:37,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:28:37,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:28:37,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58aab856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37, skipping insertion in model container
[2024-11-23 23:28:37,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,226 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:28:37,515 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_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249]
[2024-11-23 23:28:37,519 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:28:37,528 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:28:37,581 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_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249]
[2024-11-23 23:28:37,581 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:28:37,609 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:28:37,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37 WrapperNode
[2024-11-23 23:28:37,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:28:37,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:28:37,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:28:37,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:28:37,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,665 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116
[2024-11-23 23:28:37,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:28:37,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:28:37,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:28:37,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:28:37,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,687 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,713 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4].
[2024-11-23 23:28:37,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,726 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:28:37,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:28:37,750 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:28:37,751 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:28:37,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (1/1) ...
[2024-11-23 23:28:37,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:28:37,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:37,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:28:37,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:28:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 23:28:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-23 23:28:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:28:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:28:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 23:28:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:28:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:28:37,963 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:28:37,964 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:28:38,169 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live.
[2024-11-23 23:28:38,169 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:28:38,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:28:38,179 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-23 23:28:38,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:38 BoogieIcfgContainer
[2024-11-23 23:28:38,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:28:38,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:28:38,182 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:28:38,187 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:28:38,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:28:37" (1/3) ...
[2024-11-23 23:28:38,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ae80bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:38, skipping insertion in model container
[2024-11-23 23:28:38,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:37" (2/3) ...
[2024-11-23 23:28:38,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ae80bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:38, skipping insertion in model container
[2024-11-23 23:28:38,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:38" (3/3) ...
[2024-11-23 23:28:38,189 INFO L128 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i
[2024-11-23 23:28:38,204 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:28:38,205 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sll2n_update_all_reverse.i that has 1 procedures, 33 locations, 1 initial locations, 6 loop locations, and 1 error locations.
[2024-11-23 23:28:38,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:28:38,272 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;@1bb414a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:28:38,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:28:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 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)
[2024-11-23 23:28:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-23 23:28:38,284 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:38,285 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:38,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:38,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash -610957993, now seen corresponding path program 1 times
[2024-11-23 23:28:38,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:38,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337728116]
[2024-11-23 23:28:38,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:38,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:38,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:28:38,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:38,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337728116]
[2024-11-23 23:28:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337728116] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:38,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:28:38,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083292701]
[2024-11-23 23:28:38,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:38,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:28:38,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:38,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:28:38,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:28:38,511 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 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) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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)
[2024-11-23 23:28:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:38,528 INFO L93 Difference]: Finished difference Result 58 states and 81 transitions.
[2024-11-23 23:28:38,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:28:38,530 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) Word has length 14
[2024-11-23 23:28:38,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:38,537 INFO L225 Difference]: With dead ends: 58
[2024-11-23 23:28:38,538 INFO L226 Difference]: Without dead ends: 25
[2024-11-23 23:28:38,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:28:38,546 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:38,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:38,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-23 23:28:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-23 23:28:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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)
[2024-11-23 23:28:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2024-11-23 23:28:38,583 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 14
[2024-11-23 23:28:38,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:38,583 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2024-11-23 23:28:38,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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)
[2024-11-23 23:28:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2024-11-23 23:28:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-23 23:28:38,586 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:38,587 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:38,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:28:38,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:38,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:38,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1873157153, now seen corresponding path program 1 times
[2024-11-23 23:28:38,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:38,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779804244]
[2024-11-23 23:28:38,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:28:38,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:38,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779804244]
[2024-11-23 23:28:38,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779804244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:38,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:38,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:28:38,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735383458]
[2024-11-23 23:28:38,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:38,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:28:38,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:38,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:28:38,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:28:38,810 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-11-23 23:28:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:38,839 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions.
[2024-11-23 23:28:38,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:28:38,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14
[2024-11-23 23:28:38,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:38,840 INFO L225 Difference]: With dead ends: 48
[2024-11-23 23:28:38,840 INFO L226 Difference]: Without dead ends: 30
[2024-11-23 23:28:38,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:28:38,842 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:38,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:38,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-23 23:28:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26.
[2024-11-23 23:28:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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)
[2024-11-23 23:28:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions.
[2024-11-23 23:28:38,850 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 14
[2024-11-23 23:28:38,851 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:38,851 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions.
[2024-11-23 23:28:38,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-11-23 23:28:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions.
[2024-11-23 23:28:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-23 23:28:38,852 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:38,853 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:38,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:28:38,853 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:38,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash 934501899, now seen corresponding path program 1 times
[2024-11-23 23:28:38,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:38,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539205381]
[2024-11-23 23:28:38,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:38,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:28:39,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:39,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539205381]
[2024-11-23 23:28:39,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539205381] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:39,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753522328]
[2024-11-23 23:28:39,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:39,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:39,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:39,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:39,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:28:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:39,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:39,282 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:28:39,355 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:28:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753522328] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:28:39,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:28:39,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5
[2024-11-23 23:28:39,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639826308]
[2024-11-23 23:28:39,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:28:39,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:28:39,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:39,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:28:39,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:28:39,412 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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)
[2024-11-23 23:28:39,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:39,442 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions.
[2024-11-23 23:28:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:28:39,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) Word has length 19
[2024-11-23 23:28:39,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:39,446 INFO L225 Difference]: With dead ends: 49
[2024-11-23 23:28:39,448 INFO L226 Difference]: Without dead ends: 31
[2024-11-23 23:28:39,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:28:39,449 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:39,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-23 23:28:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2024-11-23 23:28:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 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)
[2024-11-23 23:28:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions.
[2024-11-23 23:28:39,455 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 19
[2024-11-23 23:28:39,455 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:39,455 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions.
[2024-11-23 23:28:39,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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)
[2024-11-23 23:28:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions.
[2024-11-23 23:28:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-23 23:28:39,459 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:39,459 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:39,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:28:39,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:39,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:39,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:39,665 INFO L85 PathProgramCache]: Analyzing trace with hash -367739295, now seen corresponding path program 2 times
[2024-11-23 23:28:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:39,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433908719]
[2024-11-23 23:28:39,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:28:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:39,699 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 23:28:39,700 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-23 23:28:39,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:39,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433908719]
[2024-11-23 23:28:39,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433908719] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:39,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:39,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:28:39,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046030289]
[2024-11-23 23:28:39,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:39,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:28:39,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:39,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:28:39,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:28:39,789 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2024-11-23 23:28:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:39,855 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions.
[2024-11-23 23:28:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:28:39,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) Word has length 24
[2024-11-23 23:28:39,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:39,858 INFO L225 Difference]: With dead ends: 56
[2024-11-23 23:28:39,858 INFO L226 Difference]: Without dead ends: 46
[2024-11-23 23:28:39,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:28:39,860 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 52 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:39,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 41 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:39,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-23 23:28:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32.
[2024-11-23 23:28:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 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)
[2024-11-23 23:28:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions.
[2024-11-23 23:28:39,870 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 24
[2024-11-23 23:28:39,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:39,870 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions.
[2024-11-23 23:28:39,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2024-11-23 23:28:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions.
[2024-11-23 23:28:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-11-23 23:28:39,871 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:39,871 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:39,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:28:39,872 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:39,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:39,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1339261593, now seen corresponding path program 1 times
[2024-11-23 23:28:39,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:39,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81124631]
[2024-11-23 23:28:39,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 23:28:40,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:40,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81124631]
[2024-11-23 23:28:40,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81124631] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:40,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008936225]
[2024-11-23 23:28:40,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:40,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:40,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:40,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:28:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:40,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:40,409 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-23 23:28:40,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:28:40,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008936225] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:40,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:28:40,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6
[2024-11-23 23:28:40,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168817366]
[2024-11-23 23:28:40,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:40,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:28:40,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:40,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:28:40,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:28:40,482 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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)
[2024-11-23 23:28:40,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:40,623 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions.
[2024-11-23 23:28:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:28:40,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) Word has length 29
[2024-11-23 23:28:40,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:40,625 INFO L225 Difference]: With dead ends: 63
[2024-11-23 23:28:40,625 INFO L226 Difference]: Without dead ends: 47
[2024-11-23 23:28:40,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:28:40,626 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 54 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:40,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 56 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:28:40,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-23 23:28:40,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34.
[2024-11-23 23:28:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 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)
[2024-11-23 23:28:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions.
[2024-11-23 23:28:40,641 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 29
[2024-11-23 23:28:40,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:40,642 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions.
[2024-11-23 23:28:40,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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)
[2024-11-23 23:28:40,642 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions.
[2024-11-23 23:28:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-11-23 23:28:40,643 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:40,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:40,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 23:28:40,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:40,844 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:40,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1063876011, now seen corresponding path program 1 times
[2024-11-23 23:28:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:40,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800299009]
[2024-11-23 23:28:40,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-11-23 23:28:41,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:41,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800299009]
[2024-11-23 23:28:41,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800299009] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:41,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109261129]
[2024-11-23 23:28:41,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:41,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:41,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:41,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:41,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 23:28:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:41,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:41,221 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-11-23 23:28:41,303 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-11-23 23:28:41,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109261129] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:28:41,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:28:41,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7
[2024-11-23 23:28:41,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917629550]
[2024-11-23 23:28:41,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:28:41,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-23 23:28:41,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:41,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-23 23:28:41,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:28:41,380 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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)
[2024-11-23 23:28:41,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:41,459 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions.
[2024-11-23 23:28:41,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:28:41,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) Word has length 31
[2024-11-23 23:28:41,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:41,460 INFO L225 Difference]: With dead ends: 59
[2024-11-23 23:28:41,460 INFO L226 Difference]: Without dead ends: 49
[2024-11-23 23:28:41,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:28:41,463 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 72 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:41,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 50 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-11-23 23:28:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 39.
[2024-11-23 23:28:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 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)
[2024-11-23 23:28:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions.
[2024-11-23 23:28:41,475 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 31
[2024-11-23 23:28:41,476 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:41,476 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions.
[2024-11-23 23:28:41,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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)
[2024-11-23 23:28:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions.
[2024-11-23 23:28:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-23 23:28:41,476 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:41,477 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:41,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-23 23:28:41,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:41,677 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:41,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:41,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1417200733, now seen corresponding path program 2 times
[2024-11-23 23:28:41,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:41,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182250918]
[2024-11-23 23:28:41,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:28:41,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:41,741 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 23:28:41,741 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-11-23 23:28:41,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:41,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182250918]
[2024-11-23 23:28:41,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182250918] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:41,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:41,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:28:41,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400927248]
[2024-11-23 23:28:41,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:41,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:28:41,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:41,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:28:41,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:28:41,820 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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)
[2024-11-23 23:28:41,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:41,912 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions.
[2024-11-23 23:28:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:28:41,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) Word has length 36
[2024-11-23 23:28:41,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:41,914 INFO L225 Difference]: With dead ends: 58
[2024-11-23 23:28:41,914 INFO L226 Difference]: Without dead ends: 49
[2024-11-23 23:28:41,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:28:41,915 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 36 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:41,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 54 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:28:41,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-11-23 23:28:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42.
[2024-11-23 23:28:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.146341463414634) internal successors, (47), 41 states have internal predecessors, (47), 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)
[2024-11-23 23:28:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions.
[2024-11-23 23:28:41,928 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 36
[2024-11-23 23:28:41,928 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:41,928 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions.
[2024-11-23 23:28:41,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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)
[2024-11-23 23:28:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions.
[2024-11-23 23:28:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-11-23 23:28:41,930 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:41,930 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:41,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 23:28:41,931 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:41,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:41,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1471810727, now seen corresponding path program 1 times
[2024-11-23 23:28:41,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:41,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295346281]
[2024-11-23 23:28:41,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:41,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:28:44,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:44,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295346281]
[2024-11-23 23:28:44,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295346281] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:44,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651128991]
[2024-11-23 23:28:44,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:44,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:44,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:44,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:44,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 23:28:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:45,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 86 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:45,158 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:45,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-23 23:28:45,359 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-11-23 23:28:45,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-11-23 23:28:45,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-23 23:28:45,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1
[2024-11-23 23:28:45,945 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size
[2024-11-23 23:28:45,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 73
[2024-11-23 23:28:45,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19
[2024-11-23 23:28:45,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23
[2024-11-23 23:28:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-23 23:28:46,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27
[2024-11-23 23:28:46,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23
[2024-11-23 23:28:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-23 23:28:46,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23
[2024-11-23 23:28:46,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 21
[2024-11-23 23:28:46,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-11-23 23:28:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 23:28:46,609 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:46,867 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_393 (Array Int Int)) (v_ArrVal_395 (Array Int Int)) (v_ArrVal_394 (Array Int Int))) (or (not (= v_ArrVal_393 (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) |c_ULTIMATE.start_sll_update_at_~head#1.offset| (select v_ArrVal_393 |c_ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= (+ (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_394) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_393) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0)) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_395) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0))) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2)) (not (= v_ArrVal_395 (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base|) |c_ULTIMATE.start_sll_update_at_~head#1.offset| (select v_ArrVal_395 |c_ULTIMATE.start_sll_update_at_~head#1.offset|)))))) is different from false
[2024-11-23 23:28:46,930 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_14| Int) (v_ArrVal_394 (Array Int Int))) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_14|) (= (+ (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_394) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse0)) (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base|) .cse0))) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2)))) is different from false
[2024-11-23 23:28:46,939 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_394 (Array Int Int))) (= (+ (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_394) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse0)) (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base|) .cse0))) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2))) is different from false
[2024-11-23 23:28:46,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 23:28:46,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41
[2024-11-23 23:28:46,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 23:28:46,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 86
[2024-11-23 23:28:46,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20
[2024-11-23 23:28:47,920 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size
[2024-11-23 23:28:47,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1
[2024-11-23 23:28:47,926 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size
[2024-11-23 23:28:47,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 1
[2024-11-23 23:28:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked.
[2024-11-23 23:28:48,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651128991] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:28:48,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:28:48,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 21] total 57
[2024-11-23 23:28:48,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430912402]
[2024-11-23 23:28:48,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:28:48,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2024-11-23 23:28:48,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:48,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2024-11-23 23:28:48,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2682, Unknown=4, NotChecked=318, Total=3192
[2024-11-23 23:28:48,225 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 57 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 57 states have internal predecessors, (104), 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)
[2024-11-23 23:28:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:50,756 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions.
[2024-11-23 23:28:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-11-23 23:28:50,757 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 57 states have internal predecessors, (104), 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) Word has length 38
[2024-11-23 23:28:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:50,758 INFO L225 Difference]: With dead ends: 90
[2024-11-23 23:28:50,760 INFO L226 Difference]: Without dead ends: 88
[2024-11-23 23:28:50,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=386, Invalid=4452, Unknown=4, NotChecked=414, Total=5256
[2024-11-23 23:28:50,764 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 190 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 275 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:50,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 631 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1210 Invalid, 0 Unknown, 275 Unchecked, 1.1s Time]
[2024-11-23 23:28:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-23 23:28:50,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 61.
[2024-11-23 23:28:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 60 states have internal predecessors, (70), 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)
[2024-11-23 23:28:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions.
[2024-11-23 23:28:50,780 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 38
[2024-11-23 23:28:50,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:50,781 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions.
[2024-11-23 23:28:50,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 57 states have internal predecessors, (104), 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)
[2024-11-23 23:28:50,782 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions.
[2024-11-23 23:28:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-23 23:28:50,785 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:50,785 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:50,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-23 23:28:50,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-11-23 23:28:50,986 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:50,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2052978795, now seen corresponding path program 2 times
[2024-11-23 23:28:50,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:50,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802255064]
[2024-11-23 23:28:50,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:28:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:51,018 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 23:28:51,018 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-23 23:28:51,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:51,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802255064]
[2024-11-23 23:28:51,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802255064] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:51,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:51,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:28:51,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885769058]
[2024-11-23 23:28:51,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:51,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:28:51,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:51,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:28:51,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:28:51,104 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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)
[2024-11-23 23:28:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:51,166 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions.
[2024-11-23 23:28:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:28:51,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) Word has length 40
[2024-11-23 23:28:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:51,167 INFO L225 Difference]: With dead ends: 81
[2024-11-23 23:28:51,167 INFO L226 Difference]: Without dead ends: 57
[2024-11-23 23:28:51,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:28:51,168 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 36 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:51,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 43 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-23 23:28:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-23 23:28:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 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)
[2024-11-23 23:28:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions.
[2024-11-23 23:28:51,176 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 40
[2024-11-23 23:28:51,176 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:51,176 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions.
[2024-11-23 23:28:51,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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)
[2024-11-23 23:28:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions.
[2024-11-23 23:28:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-23 23:28:51,177 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:51,177 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:51,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 23:28:51,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:51,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:51,178 INFO L85 PathProgramCache]: Analyzing trace with hash 538141981, now seen corresponding path program 3 times
[2024-11-23 23:28:51,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:51,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171970258]
[2024-11-23 23:28:51,179 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 23:28:51,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:51,215 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-23 23:28:51,215 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-23 23:28:51,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:51,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171970258]
[2024-11-23 23:28:51,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171970258] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:51,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387725304]
[2024-11-23 23:28:51,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 23:28:51,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:51,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:51,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:51,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-23 23:28:51,492 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-23 23:28:51,493 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:51,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:51,497 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-23 23:28:51,519 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-23 23:28:51,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387725304] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:51,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-11-23 23:28:51,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 8
[2024-11-23 23:28:51,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383131532]
[2024-11-23 23:28:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:51,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:28:51,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:51,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:28:51,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:28:51,557 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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)
[2024-11-23 23:28:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:51,607 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions.
[2024-11-23 23:28:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:28:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) Word has length 40
[2024-11-23 23:28:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:51,608 INFO L225 Difference]: With dead ends: 73
[2024-11-23 23:28:51,608 INFO L226 Difference]: Without dead ends: 60
[2024-11-23 23:28:51,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:28:51,609 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:51,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 64 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:51,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-23 23:28:51,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2024-11-23 23:28:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 59 states have internal predecessors, (67), 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)
[2024-11-23 23:28:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions.
[2024-11-23 23:28:51,622 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 40
[2024-11-23 23:28:51,622 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:51,622 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions.
[2024-11-23 23:28:51,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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)
[2024-11-23 23:28:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions.
[2024-11-23 23:28:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-23 23:28:51,627 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:51,627 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:51,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-23 23:28:51,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-23 23:28:51,829 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:51,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:51,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1032016725, now seen corresponding path program 4 times
[2024-11-23 23:28:51,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:51,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808142409]
[2024-11-23 23:28:51,829 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-23 23:28:51,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:51,880 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-23 23:28:51,883 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-11-23 23:28:51,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:51,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808142409]
[2024-11-23 23:28:51,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808142409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:51,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:28:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116173043]
[2024-11-23 23:28:51,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:51,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:28:51,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:51,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:28:51,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:28:51,990 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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)
[2024-11-23 23:28:52,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:52,043 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions.
[2024-11-23 23:28:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:28:52,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) Word has length 40
[2024-11-23 23:28:52,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:52,044 INFO L225 Difference]: With dead ends: 70
[2024-11-23 23:28:52,044 INFO L226 Difference]: Without dead ends: 61
[2024-11-23 23:28:52,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:28:52,045 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:52,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 42 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-11-23 23:28:52,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2024-11-23 23:28:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1166666666666667) internal successors, (67), 60 states have internal predecessors, (67), 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)
[2024-11-23 23:28:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions.
[2024-11-23 23:28:52,062 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 40
[2024-11-23 23:28:52,062 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:52,062 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions.
[2024-11-23 23:28:52,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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)
[2024-11-23 23:28:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions.
[2024-11-23 23:28:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-23 23:28:52,063 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:52,063 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:52,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 23:28:52,064 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:52,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1971892950, now seen corresponding path program 1 times
[2024-11-23 23:28:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339816437]
[2024-11-23 23:28:52,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 23:28:52,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:52,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339816437]
[2024-11-23 23:28:52,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339816437] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:52,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785496]
[2024-11-23 23:28:52,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:28:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:52,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:52,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-23 23:28:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:28:52,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:52,825 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:52,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2024-11-23 23:28:53,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12
[2024-11-23 23:28:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 23:28:53,208 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:53,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32
[2024-11-23 23:28:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 23:28:53,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785496] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:28:53,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:28:53,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 22
[2024-11-23 23:28:53,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469644049]
[2024-11-23 23:28:53,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:28:53,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-11-23 23:28:53,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:53,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-11-23 23:28:53,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462
[2024-11-23 23:28:53,317 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 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)
[2024-11-23 23:28:54,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:54,095 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions.
[2024-11-23 23:28:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-11-23 23:28:54,096 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 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) Word has length 44
[2024-11-23 23:28:54,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:54,097 INFO L225 Difference]: With dead ends: 104
[2024-11-23 23:28:54,097 INFO L226 Difference]: Without dead ends: 102
[2024-11-23 23:28:54,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=261, Invalid=1379, Unknown=0, NotChecked=0, Total=1640
[2024-11-23 23:28:54,099 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 179 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:54,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 248 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-23 23:28:54,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-11-23 23:28:54,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 72.
[2024-11-23 23:28:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.1267605633802817) internal successors, (80), 71 states have internal predecessors, (80), 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)
[2024-11-23 23:28:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions.
[2024-11-23 23:28:54,114 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 44
[2024-11-23 23:28:54,114 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:54,114 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions.
[2024-11-23 23:28:54,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 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)
[2024-11-23 23:28:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions.
[2024-11-23 23:28:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-23 23:28:54,115 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:54,115 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:54,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-23 23:28:54,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-23 23:28:54,319 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:54,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:54,319 INFO L85 PathProgramCache]: Analyzing trace with hash -319086301, now seen corresponding path program 5 times
[2024-11-23 23:28:54,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:54,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129742441]
[2024-11-23 23:28:54,320 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-23 23:28:54,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:54,348 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2024-11-23 23:28:54,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-23 23:28:54,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:54,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129742441]
[2024-11-23 23:28:54,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129742441] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:54,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381496694]
[2024-11-23 23:28:54,424 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-23 23:28:54,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:54,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:54,427 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:54,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-23 23:28:54,592 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2024-11-23 23:28:54,592 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:54,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:54,597 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-23 23:28:54,624 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-23 23:28:54,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381496694] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:28:54,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:28:54,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9
[2024-11-23 23:28:54,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407008010]
[2024-11-23 23:28:54,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:28:54,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 23:28:54,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:54,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 23:28:54,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:28:54,692 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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)
[2024-11-23 23:28:54,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:54,763 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions.
[2024-11-23 23:28:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 23:28:54,764 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) Word has length 45
[2024-11-23 23:28:54,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:54,764 INFO L225 Difference]: With dead ends: 88
[2024-11-23 23:28:54,764 INFO L226 Difference]: Without dead ends: 53
[2024-11-23 23:28:54,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2024-11-23 23:28:54,768 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:54,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 97 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:54,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-23 23:28:54,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2024-11-23 23:28:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 52 states have internal predecessors, (57), 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)
[2024-11-23 23:28:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions.
[2024-11-23 23:28:54,784 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 45
[2024-11-23 23:28:54,784 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:54,784 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions.
[2024-11-23 23:28:54,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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)
[2024-11-23 23:28:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions.
[2024-11-23 23:28:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-23 23:28:54,785 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:54,785 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:54,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-23 23:28:54,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:54,990 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:54,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:54,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1489337574, now seen corresponding path program 2 times
[2024-11-23 23:28:54,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:54,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063713594]
[2024-11-23 23:28:54,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:28:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:55,019 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 23:28:55,019 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-11-23 23:28:55,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:55,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063713594]
[2024-11-23 23:28:55,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063713594] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:28:55,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796659350]
[2024-11-23 23:28:55,124 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:28:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:28:55,126 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:28:55,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-23 23:28:55,351 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 23:28:55,351 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:55,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-23 23:28:55,355 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:28:55,449 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-11-23 23:28:55,449 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:28:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-11-23 23:28:55,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796659350] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:28:55,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:28:55,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9
[2024-11-23 23:28:55,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891319967]
[2024-11-23 23:28:55,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:28:55,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 23:28:55,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:55,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 23:28:55,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:28:55,549 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 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)
[2024-11-23 23:28:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:55,625 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions.
[2024-11-23 23:28:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:28:55,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 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) Word has length 46
[2024-11-23 23:28:55,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:55,626 INFO L225 Difference]: With dead ends: 61
[2024-11-23 23:28:55,626 INFO L226 Difference]: Without dead ends: 51
[2024-11-23 23:28:55,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2024-11-23 23:28:55,627 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:55,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 94 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:28:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-23 23:28:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-11-23 23:28:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.06) internal successors, (53), 50 states have internal predecessors, (53), 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)
[2024-11-23 23:28:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions.
[2024-11-23 23:28:55,643 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 46
[2024-11-23 23:28:55,643 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:55,643 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions.
[2024-11-23 23:28:55,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 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)
[2024-11-23 23:28:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions.
[2024-11-23 23:28:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-11-23 23:28:55,644 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:28:55,644 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:28:55,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-23 23:28:55,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:28:55,845 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:28:55,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:28:55,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2121811515, now seen corresponding path program 3 times
[2024-11-23 23:28:55,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:28:55,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008105785]
[2024-11-23 23:28:55,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 23:28:55,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:28:55,878 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-23 23:28:55,878 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:28:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-11-23 23:28:55,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:28:55,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008105785]
[2024-11-23 23:28:55,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008105785] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:28:55,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:28:55,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:28:55,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098959409]
[2024-11-23 23:28:55,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:28:55,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:28:55,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:28:55,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:28:55,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:28:55,953 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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)
[2024-11-23 23:28:56,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:28:56,006 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions.
[2024-11-23 23:28:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:28:56,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) Word has length 50
[2024-11-23 23:28:56,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:28:56,007 INFO L225 Difference]: With dead ends: 52
[2024-11-23 23:28:56,007 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 23:28:56,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:28:56,008 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:28:56,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 58 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:28:56,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:28:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:28:56,014 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)
[2024-11-23 23:28:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:28:56,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50
[2024-11-23 23:28:56,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:28:56,014 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:28:56,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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)
[2024-11-23 23:28:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:28:56,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:28:56,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:28:56,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-23 23:28:56,024 INFO L422 BasicCegarLoop]: Path program histogram: [5, 3, 2, 2, 1, 1, 1]
[2024-11-23 23:28:56,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:28:56,455 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:28:56,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,475 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,475 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
[2024-11-23 23:28:56,476 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,476 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,476 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,476 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,476 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,477 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,478 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-11-23 23:28:56,478 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,478 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,479 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,479 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,479 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset
[2024-11-23 23:28:56,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,483 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,483 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0
[2024-11-23 23:28:56,483 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,483 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,483 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
[2024-11-23 23:28:56,484 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-11-23 23:28:56,491 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,495 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base
[2024-11-23 23:28:56,498 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,498 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,498 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset
[2024-11-23 23:28:56,498 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL]
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,502 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset
[2024-11-23 23:28:56,502 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,503 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_update_at>]]]
[2024-11-23 23:28:56,506 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,<LOCAL,sll_create>]]]
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-23 23:28:56,507 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-23 23:28:56,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,510 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,511 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,511 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,511 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,511 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,511 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,511 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1
[2024-11-23 23:28:56,512 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
[2024-11-23 23:28:56,513 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,514 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,514 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
[2024-11-23 23:28:56,515 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
[2024-11-23 23:28:56,515 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
[2024-11-23 23:28:56,515 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base
[2024-11-23 23:28:56,515 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset
[2024-11-23 23:28:56,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:28:56 BoogieIcfgContainer
[2024-11-23 23:28:56,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:28:56,516 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:28:56,517 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:28:56,517 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:28:56,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:38" (3/4) ...
[2024-11-23 23:28:56,521 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:28:56,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-23 23:28:56,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-23 23:28:56,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:28:56,534 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 23:28:56,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:28:56,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:28:56,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:28:56,650 INFO L158 Benchmark]: Toolchain (without parser) took 19461.29ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 116.0MB in the beginning and 157.9MB in the end (delta: -41.9MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB.
[2024-11-23 23:28:56,651 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:28:56,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.55ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.1MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:28:56,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.24ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:28:56,652 INFO L158 Benchmark]: Boogie Preprocessor took 76.59ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:28:56,652 INFO L158 Benchmark]: RCFGBuilder took 432.50ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:28:56,652 INFO L158 Benchmark]: TraceAbstraction took 18334.14ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 78.4MB in the beginning and 163.7MB in the end (delta: -85.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB.
[2024-11-23 23:28:56,653 INFO L158 Benchmark]: Witness Printer took 131.86ms. Allocated memory is still 293.6MB. Free memory was 163.7MB in the beginning and 157.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:28:56,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 421.55ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.1MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 57.24ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 76.59ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 432.50ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 18334.14ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 78.4MB in the beginning and 163.7MB in the end (delta: -85.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB.
* Witness Printer took 131.86ms. Allocated memory is still 293.6MB. Free memory was 163.7MB in the beginning and 157.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~expected~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~expected~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~expected~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_get_data_at>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~i~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~len~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,<LOCAL,sll_update_at>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~head~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,<LOCAL,sll_create>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]],[IntegerLiteral[4]]]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#1
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~s~0!offset
* 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: 630]: 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 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 674 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 674 mSDsluCounter, 1619 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 275 IncrementalHoareTripleChecker+Unchecked, 1265 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1913 IncrementalHoareTripleChecker+Invalid, 2241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 354 mSDtfsCounter, 1913 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 700 GetRequests, 510 SyntacticMatches, 15 SemanticMatches, 175 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1490 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=12, InterpolantAutomatonStates: 113, 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, 15 MinimizatonAttempts, 105 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 802 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1035 ConstructedInterpolants, 14 QuantifiedInterpolants, 4996 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1883 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 30 InterpolantComputations, 9 PerfectInterpolantSequences, 397/519 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: 600]: Loop Invariant
Derived loop invariant: (((index <= 0) || (index == 1)) || (index == 0))
- InvariantResult [Line: 622]: Loop Invariant
Derived loop invariant: ((((((long long) i + 1) == 0) && (len == 2)) || ((i == 0) && (len == 2))) || ((i == 1) && (len == 2)))
- InvariantResult [Line: 607]: Loop Invariant
Derived loop invariant: ((((3 == data) && (index == 0)) || ((index == 1) && (3 == data))) || ((index <= 0) && (2 == data)))
- InvariantResult [Line: 585]: Loop Invariant
Derived loop invariant: ((((2 == len) && (len == 2)) || (len == 2)) || ((1 <= len) && (len == 2)))
- InvariantResult [Line: 618]: Loop Invariant
Derived loop invariant: ((((i == 0) && (len == 2)) || ((i <= 0) && (len == 2))) || ((i == 1) && (len == 2)))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:28:56,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fe9bb1-b6ba-4fea-b369-d57e25b1e68c/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
Writing output log to file Ultimate.log
Result:
TRUE