./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.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_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/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_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/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_1a1de847-e279-4818-9191-f9e7f788b566/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 2c4c8975bee6324b0c0486aa99ba8be369d6762a33e8dd5b012191d5fa43c106
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:55:03,424 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:55:03,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:55:03,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:55:03,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:55:03,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:55:03,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:55:03,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:55:03,595 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:55:03,596 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:55:03,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:55:03,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:55:03,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:55:03,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:55:03,598 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:55:03,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:55:03,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:55:03,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:55:03,600 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:55:03,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:55:03,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:55:03,600 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:55:03,600 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:55:03,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:55:03,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:55:03,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:55:03,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:55:03,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:55:03,603 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_1a1de847-e279-4818-9191-f9e7f788b566/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 -> 2c4c8975bee6324b0c0486aa99ba8be369d6762a33e8dd5b012191d5fa43c106
[2024-11-23 23:55:03,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:55:03,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:55:03,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:55:03,992 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:55:03,992 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:55:03,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loop-invgen/id_build.i
[2024-11-23 23:55:07,764 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/data/c9da1a10d/97018aff9de54a34883674420cb4ded9/FLAG6ab38ba18
[2024-11-23 23:55:08,141 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:55:08,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/sv-benchmarks/c/loop-invgen/id_build.i
[2024-11-23 23:55:08,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/data/c9da1a10d/97018aff9de54a34883674420cb4ded9/FLAG6ab38ba18
[2024-11-23 23:55:08,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/data/c9da1a10d/97018aff9de54a34883674420cb4ded9
[2024-11-23 23:55:08,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:55:08,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:55:08,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:55:08,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:55:08,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:55:08,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321261ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08, skipping insertion in model container
[2024-11-23 23:55:08,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,383 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:55:08,619 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_1a1de847-e279-4818-9191-f9e7f788b566/sv-benchmarks/c/loop-invgen/id_build.i[893,906]
[2024-11-23 23:55:08,641 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:55:08,656 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:55:08,674 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_1a1de847-e279-4818-9191-f9e7f788b566/sv-benchmarks/c/loop-invgen/id_build.i[893,906]
[2024-11-23 23:55:08,684 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:55:08,707 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:55:08,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08 WrapperNode
[2024-11-23 23:55:08,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:55:08,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:55:08,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:55:08,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:55:08,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,760 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34
[2024-11-23 23:55:08,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:55:08,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:55:08,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:55:08,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:55:08,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,794 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:55:08,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,801 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:55:08,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:55:08,818 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:55:08,818 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:55:08,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (1/1) ...
[2024-11-23 23:55:08,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:55:08,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:55:08,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:55:08,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:55:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:55:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:55:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:55:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:55:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-23 23:55:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-23 23:55:08,958 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:55:08,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:55:09,110 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live.
[2024-11-23 23:55:09,110 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:55:09,122 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:55:09,122 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:55:09,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:55:09 BoogieIcfgContainer
[2024-11-23 23:55:09,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:55:09,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:55:09,125 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:55:09,131 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:55:09,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:55:08" (1/3) ...
[2024-11-23 23:55:09,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48539d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:55:09, skipping insertion in model container
[2024-11-23 23:55:09,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:55:08" (2/3) ...
[2024-11-23 23:55:09,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48539d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:55:09, skipping insertion in model container
[2024-11-23 23:55:09,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:55:09" (3/3) ...
[2024-11-23 23:55:09,135 INFO L128 eAbstractionObserver]: Analyzing ICFG id_build.i
[2024-11-23 23:55:09,156 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:55:09,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG id_build.i that has 2 procedures, 19 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-11-23 23:55:09,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:55:09,246 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;@714a74b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:55:09,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:55:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-23 23:55:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-23 23:55:09,259 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:55:09,260 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:55:09,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:55:09,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:55:09,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2134156062, now seen corresponding path program 1 times
[2024-11-23 23:55:09,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:55:09,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086550017]
[2024-11-23 23:55:09,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:55:09,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:55:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:55:09,722 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 23:55:09,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:55:09,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086550017]
[2024-11-23 23:55:09,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086550017] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:55:09,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:55:09,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:55:09,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621804308]
[2024-11-23 23:55:09,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:55:09,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:55:09,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:55:09,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:55:09,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:55:09,767 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:55:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:55:09,886 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions.
[2024-11-23 23:55:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:55:09,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-23 23:55:09,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:55:09,896 INFO L225 Difference]: With dead ends: 40
[2024-11-23 23:55:09,896 INFO L226 Difference]: Without dead ends: 19
[2024-11-23 23:55:09,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:55:09,904 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 5 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:55:09,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 57 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:55:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-23 23:55:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-23 23:55:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-23 23:55:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions.
[2024-11-23 23:55:09,946 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 9
[2024-11-23 23:55:09,947 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:55:09,947 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions.
[2024-11-23 23:55:09,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:55:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions.
[2024-11-23 23:55:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-23 23:55:09,948 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:55:09,948 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:55:09,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:55:09,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:55:09,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:55:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash -648544733, now seen corresponding path program 1 times
[2024-11-23 23:55:09,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:55:09,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901564110]
[2024-11-23 23:55:09,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:55:09,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:55:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:55:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:55:10,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:55:10,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901564110]
[2024-11-23 23:55:10,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901564110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:55:10,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:55:10,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:55:10,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785713311]
[2024-11-23 23:55:10,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:55:10,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:55:10,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:55:10,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:55:10,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:55:10,194 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 23:55:10,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:55:10,294 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions.
[2024-11-23 23:55:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:55:10,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2024-11-23 23:55:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:55:10,296 INFO L225 Difference]: With dead ends: 19
[2024-11-23 23:55:10,296 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 23:55:10,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:55:10,297 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:55:10,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 40 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:55:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:55:10,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:55:10,303 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 23:55:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:55:10,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2024-11-23 23:55:10,303 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:55:10,303 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:55:10,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 23:55:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:55:10,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:55:10,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:55:10,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:55:10,314 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-23 23:55:10,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:55:10,386 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:55:10,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:55:10 BoogieIcfgContainer
[2024-11-23 23:55:10,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:55:10,412 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:55:10,412 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:55:10,412 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:55:10,414 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:55:09" (3/4) ...
[2024-11-23 23:55:10,417 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:55:10,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-23 23:55:10,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-23 23:55:10,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 23:55:10,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:55:10,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 23:55:10,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:55:10,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:55:10,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:55:10,513 INFO L158 Benchmark]: Toolchain (without parser) took 2158.78ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 85.0MB in the end (delta: 9.8MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB.
[2024-11-23 23:55:10,513 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:55:10,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.05ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 83.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:55:10,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.64ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 849.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:55:10,514 INFO L158 Benchmark]: Boogie Preprocessor took 54.07ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:55:10,514 INFO L158 Benchmark]: RCFGBuilder took 305.06ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.4MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:55:10,517 INFO L158 Benchmark]: TraceAbstraction took 1285.99ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 89.7MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:55:10,518 INFO L158 Benchmark]: Witness Printer took 100.07ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 85.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:55:10,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 354.05ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 83.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.64ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 849.1kB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.07ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 305.06ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.4MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1285.99ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 89.7MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 100.07ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 85.0MB in the end (delta: 4.7MB). 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 30 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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: 27]: Loop Invariant
Derived loop invariant: (0 < ((long long) i + 1))
- InvariantResult [Line: 28]: Loop Invariant
Derived loop invariant: ((0 <= i) && (((long long) i + 1) <= nlen))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:55:10,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1de847-e279-4818-9191-f9e7f788b566/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