./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-62.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB --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 27e3db96087016563da30207a4bc580eb5ca4919334b247fd90d3739cc25722a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 03:09:16,703 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-28 03:09:16,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-28 03:09:16,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 03:09:16,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 03:09:16,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 03:09:16,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 03:09:16,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 03:09:16,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 03:09:16,834 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-28 03:09:16,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 03:09:16,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 03:09:16,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 03:09:16,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-28 03:09:16,836 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-28 03:09:16,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 03:09:16,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-28 03:09:16,837 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-28 03:09:16,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-28 03:09:16,837 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-28 03:09:16,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 03:09:16,838 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-28 03:09:16,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 03:09:16,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 03:09:16,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 03:09:16,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 03:09:16,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 03:09:16,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 03:09:16,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 03:09:16,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 03:09:16,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 03:09:16,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 03:09:16,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 03:09:16,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 03:09:16,841 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-28 03:09:16,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 03:09:16,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-28 03:09:16,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-28 03:09:16,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 03:09:16,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 03:09:16,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 03:09:16,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 03:09:16,842 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_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB
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 -> 27e3db96087016563da30207a4bc580eb5ca4919334b247fd90d3739cc25722a
[2024-11-28 03:09:17,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 03:09:17,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 03:09:17,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 03:09:17,227 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-28 03:09:17,228 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-28 03:09:17,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-62.i
[2024-11-28 03:09:20,192 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/data/f319d69d9/4cb5900577994ba294b4cf6e87af8645/FLAG19f2fcef6
[2024-11-28 03:09:20,526 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-28 03:09:20,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-62.i
[2024-11-28 03:09:20,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/data/f319d69d9/4cb5900577994ba294b4cf6e87af8645/FLAG19f2fcef6
[2024-11-28 03:09:20,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/data/f319d69d9/4cb5900577994ba294b4cf6e87af8645
[2024-11-28 03:09:20,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 03:09:20,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 03:09:20,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 03:09:20,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 03:09:20,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 03:09:20,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8734527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20, skipping insertion in model container
[2024-11-28 03:09:20,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,589 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-28 03:09:20,771 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_bb462e17-5f1b-438b-a5c2-3c7454bac446/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-62.i[913,926]
[2024-11-28 03:09:20,830 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-28 03:09:20,844 INFO L200 MainTranslator]: Completed pre-run
[2024-11-28 03:09:20,858 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_bb462e17-5f1b-438b-a5c2-3c7454bac446/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-62.i[913,926]
[2024-11-28 03:09:20,887 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-28 03:09:20,911 INFO L204 MainTranslator]: Completed translation
[2024-11-28 03:09:20,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20 WrapperNode
[2024-11-28 03:09:20,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 03:09:20,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-28 03:09:20,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-28 03:09:20,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-28 03:09:20,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,945 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90
[2024-11-28 03:09:20,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-28 03:09:20,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-28 03:09:20,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-28 03:09:20,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-28 03:09:20,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,969 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-28 03:09:20,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-28 03:09:20,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-28 03:09:20,982 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-28 03:09:20,982 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-28 03:09:20,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (1/1) ...
[2024-11-28 03:09:20,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 03:09:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 03:09:21,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-28 03:09:21,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-28 03:09:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-28 03:09:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-28 03:09:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-28 03:09:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-28 03:09:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-28 03:09:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-28 03:09:21,132 INFO L234 CfgBuilder]: Building ICFG
[2024-11-28 03:09:21,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-28 03:09:21,368 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-28 03:09:21,369 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-28 03:09:21,378 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-28 03:09:21,379 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-28 03:09:21,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:21 BoogieIcfgContainer
[2024-11-28 03:09:21,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-28 03:09:21,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-28 03:09:21,382 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-28 03:09:21,387 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-28 03:09:21,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:20" (1/3) ...
[2024-11-28 03:09:21,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fb9e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:21, skipping insertion in model container
[2024-11-28 03:09:21,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:20" (2/3) ...
[2024-11-28 03:09:21,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fb9e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:21, skipping insertion in model container
[2024-11-28 03:09:21,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:21" (3/3) ...
[2024-11-28 03:09:21,390 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-62.i
[2024-11-28 03:09:21,407 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-28 03:09:21,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-62.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-28 03:09:21,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-28 03:09:21,493 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;@108ed9a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-28 03:09:21,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-28 03:09:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-28 03:09:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-28 03:09:21,507 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 03:09:21,508 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 03:09:21,509 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:09:21,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:09:21,516 INFO L85 PathProgramCache]: Analyzing trace with hash -546360006, now seen corresponding path program 1 times
[2024-11-28 03:09:21,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:09:21,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025003314]
[2024-11-28 03:09:21,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:09:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:09:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:09:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-28 03:09:21,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:09:21,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025003314]
[2024-11-28 03:09:21,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025003314] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-28 03:09:21,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219647403]
[2024-11-28 03:09:21,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:09:21,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 03:09:21,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 03:09:21,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-28 03:09:21,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-28 03:09:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:09:21,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-28 03:09:21,905 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 03:09:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-28 03:09:21,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 03:09:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219647403] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:09:21,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-28 03:09:21,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-28 03:09:21,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599876820]
[2024-11-28 03:09:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:09:21,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-28 03:09:21,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:09:21,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-28 03:09:21,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-28 03:09:21,981 INFO L87 Difference]: Start difference. First operand has 40 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-28 03:09:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:09:22,001 INFO L93 Difference]: Finished difference Result 73 states and 116 transitions.
[2024-11-28 03:09:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-28 03:09:22,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58
[2024-11-28 03:09:22,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:09:22,011 INFO L225 Difference]: With dead ends: 73
[2024-11-28 03:09:22,011 INFO L226 Difference]: Without dead ends: 36
[2024-11-28 03:09:22,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-28 03:09:22,018 INFO L435 NwaCegarLoop]: 50 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, 50 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
[2024-11-28 03:09:22,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:09:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-28 03:09:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-28 03:09:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-28 03:09:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions.
[2024-11-28 03:09:22,066 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 58
[2024-11-28 03:09:22,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:09:22,066 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions.
[2024-11-28 03:09:22,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-28 03:09:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions.
[2024-11-28 03:09:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-28 03:09:22,069 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 03:09:22,069 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 03:09:22,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-28 03:09:22,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 03:09:22,270 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:09:22,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:09:22,270 INFO L85 PathProgramCache]: Analyzing trace with hash 103720250, now seen corresponding path program 1 times
[2024-11-28 03:09:22,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:09:22,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740267714]
[2024-11-28 03:09:22,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:09:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:09:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:09:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-28 03:09:23,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:09:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740267714]
[2024-11-28 03:09:23,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740267714] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:09:23,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:09:23,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-28 03:09:23,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428539535]
[2024-11-28 03:09:23,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:09:23,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-28 03:09:23,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:09:23,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-28 03:09:23,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-28 03:09:23,884 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:24,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:09:24,207 INFO L93 Difference]: Finished difference Result 98 states and 134 transitions.
[2024-11-28 03:09:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-28 03:09:24,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 58
[2024-11-28 03:09:24,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:09:24,209 INFO L225 Difference]: With dead ends: 98
[2024-11-28 03:09:24,209 INFO L226 Difference]: Without dead ends: 65
[2024-11-28 03:09:24,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2024-11-28 03:09:24,211 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 46 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-28 03:09:24,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 196 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-28 03:09:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2024-11-28 03:09:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 44.
[2024-11-28 03:09:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-28 03:09:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions.
[2024-11-28 03:09:24,220 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 58
[2024-11-28 03:09:24,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:09:24,221 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions.
[2024-11-28 03:09:24,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions.
[2024-11-28 03:09:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-28 03:09:24,224 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 03:09:24,224 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 03:09:24,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-28 03:09:24,225 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:09:24,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:09:24,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1878727612, now seen corresponding path program 1 times
[2024-11-28 03:09:24,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:09:24,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639997789]
[2024-11-28 03:09:24,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:09:24,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:09:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:09:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-28 03:09:29,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:09:29,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639997789]
[2024-11-28 03:09:29,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639997789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:09:29,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:09:29,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-28 03:09:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591426445]
[2024-11-28 03:09:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:09:29,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-28 03:09:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:09:29,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-28 03:09:29,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-28 03:09:29,189 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:09:29,612 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions.
[2024-11-28 03:09:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-28 03:09:29,613 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 58
[2024-11-28 03:09:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:09:29,615 INFO L225 Difference]: With dead ends: 55
[2024-11-28 03:09:29,617 INFO L226 Difference]: Without dead ends: 53
[2024-11-28 03:09:29,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2024-11-28 03:09:29,618 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 23 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 03:09:29,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 150 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 03:09:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-28 03:09:29,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48.
[2024-11-28 03:09:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-28 03:09:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions.
[2024-11-28 03:09:29,634 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 58
[2024-11-28 03:09:29,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:09:29,635 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions.
[2024-11-28 03:09:29,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions.
[2024-11-28 03:09:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-28 03:09:29,637 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 03:09:29,640 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 03:09:29,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-28 03:09:29,640 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:09:29,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:09:29,641 INFO L85 PathProgramCache]: Analyzing trace with hash 21009008, now seen corresponding path program 1 times
[2024-11-28 03:09:29,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:09:29,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43504509]
[2024-11-28 03:09:29,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:09:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:09:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:09:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-28 03:09:29,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:09:29,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43504509]
[2024-11-28 03:09:29,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43504509] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:09:29,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:09:29,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 03:09:29,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250382214]
[2024-11-28 03:09:29,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:09:29,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 03:09:29,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:09:29,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 03:09:29,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 03:09:29,716 INFO L87 Difference]: Start difference. First operand 48 states and 67 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:29,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:09:29,783 INFO L93 Difference]: Finished difference Result 109 states and 150 transitions.
[2024-11-28 03:09:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 03:09:29,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 60
[2024-11-28 03:09:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:09:29,785 INFO L225 Difference]: With dead ends: 109
[2024-11-28 03:09:29,787 INFO L226 Difference]: Without dead ends: 64
[2024-11-28 03:09:29,788 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
[2024-11-28 03:09:29,789 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 03:09:29,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 98 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 03:09:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-28 03:09:29,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53.
[2024-11-28 03:09:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-28 03:09:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions.
[2024-11-28 03:09:29,801 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 60
[2024-11-28 03:09:29,801 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:09:29,801 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions.
[2024-11-28 03:09:29,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions.
[2024-11-28 03:09:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-28 03:09:29,804 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 03:09:29,804 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 03:09:29,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-28 03:09:29,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:09:29,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:09:29,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1796016370, now seen corresponding path program 1 times
[2024-11-28 03:09:29,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:09:29,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19331437]
[2024-11-28 03:09:29,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:09:29,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:09:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:09:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-28 03:09:29,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:09:29,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19331437]
[2024-11-28 03:09:29,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19331437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:09:29,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:09:29,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 03:09:29,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291902316]
[2024-11-28 03:09:29,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:09:29,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 03:09:29,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:09:29,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 03:09:29,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:09:29,897 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:09:29,952 INFO L93 Difference]: Finished difference Result 86 states and 118 transitions.
[2024-11-28 03:09:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-28 03:09:29,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 60
[2024-11-28 03:09:29,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:09:29,954 INFO L225 Difference]: With dead ends: 86
[2024-11-28 03:09:29,954 INFO L226 Difference]: Without dead ends: 0
[2024-11-28 03:09:29,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:09:29,955 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 03:09:29,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:09:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-28 03:09:29,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-28 03:09:29,956 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)
[2024-11-28 03:09:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-28 03:09:29,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60
[2024-11-28 03:09:29,956 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:09:29,956 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-28 03:09:29,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-28 03:09:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-28 03:09:29,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-28 03:09:29,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-28 03:09:29,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-28 03:09:29,966 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-28 03:09:29,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-28 03:09:29,993 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-28 03:09:30,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:09:30 BoogieIcfgContainer
[2024-11-28 03:09:30,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-28 03:09:30,005 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-28 03:09:30,005 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-28 03:09:30,005 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-28 03:09:30,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:21" (3/4) ...
[2024-11-28 03:09:30,010 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-28 03:09:30,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-28 03:09:30,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-28 03:09:30,023 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-28 03:09:30,024 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-28 03:09:30,024 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-28 03:09:30,126 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml
[2024-11-28 03:09:30,126 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml
[2024-11-28 03:09:30,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-28 03:09:30,129 INFO L158 Benchmark]: Toolchain (without parser) took 9572.68ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 119.1MB in the beginning and 338.5MB in the end (delta: -219.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB.
[2024-11-28 03:09:30,129 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 03:09:30,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.43ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 03:09:30,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 03:09:30,130 INFO L158 Benchmark]: Boogie Preprocessor took 36.10ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 102.9MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 03:09:30,130 INFO L158 Benchmark]: RCFGBuilder took 397.01ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 89.3MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 03:09:30,130 INFO L158 Benchmark]: TraceAbstraction took 8622.61ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 88.6MB in the beginning and 342.8MB in the end (delta: -254.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB.
[2024-11-28 03:09:30,130 INFO L158 Benchmark]: Witness Printer took 121.91ms. Allocated memory is still 394.3MB. Free memory was 342.8MB in the beginning and 338.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 03:09:30,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 355.43ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 32.63ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.10ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 102.9MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 397.01ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 89.3MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 8622.61ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 88.6MB in the beginning and 342.8MB in the end (delta: -254.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB.
* Witness Printer took 121.91ms. Allocated memory is still 394.3MB. Free memory was 342.8MB in the beginning and 338.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 5, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 597 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 231 mSDtfsCounter, 199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=4, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 996 SizeOfPredicates, 0 NumberOfNonLiveVariables, 166 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 658/672 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-28 03:09:30,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb462e17-5f1b-438b-a5c2-3c7454bac446/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE