./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 3289d67d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m
[2024-11-17 08:03:23,059 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-17 08:03:23,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-11-17 08:03:23,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-17 08:03:23,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-17 08:03:23,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG
[2024-11-17 08:03:23,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-17 08:03:23,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-17 08:03:23,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-17 08:03:23,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-17 08:03:23,189 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-17 08:03:23,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-17 08:03:23,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-17 08:03:23,191 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-17 08:03:23,191 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-17 08:03:23,191 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-17 08:03:23,191 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-17 08:03:23,192 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-17 08:03:23,196 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-17 08:03:23,196 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-17 08:03:23,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-17 08:03:23,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-17 08:03:23,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-17 08:03:23,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-17 08:03:23,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-17 08:03:23,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-17 08:03:23,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-17 08:03:23,203 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-17 08:03:23,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-17 08:03:23,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-17 08:03:23,204 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-17 08:03:23,204 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-17 08:03:23,204 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-17 08:03:23,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-17 08:03:23,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-17 08:03:23,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-17 08:03:23,206 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-17 08:03:23,206 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca
[2024-11-17 08:03:23,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-17 08:03:23,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-17 08:03:23,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-17 08:03:23,464 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-17 08:03:23,464 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-17 08:03:23,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c
[2024-11-17 08:03:24,933 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-17 08:03:25,092 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-17 08:03:25,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ComplInterv2.c
[2024-11-17 08:03:25,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50375882f/cafd258227634f41aa21bdf06dcf6e64/FLAG6ef590aaa
[2024-11-17 08:03:25,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50375882f/cafd258227634f41aa21bdf06dcf6e64
[2024-11-17 08:03:25,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-17 08:03:25,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-17 08:03:25,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-17 08:03:25,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-17 08:03:25,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-17 08:03:25,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483c1c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25, skipping insertion in model container
[2024-11-17 08:03:25,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,143 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-17 08:03:25,341 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-17 08:03:25,347 INFO L200 MainTranslator]: Completed pre-run
[2024-11-17 08:03:25,363 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-17 08:03:25,378 INFO L204 MainTranslator]: Completed translation
[2024-11-17 08:03:25,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25 WrapperNode
[2024-11-17 08:03:25,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-17 08:03:25,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-17 08:03:25,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-17 08:03:25,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-17 08:03:25,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,405 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16
[2024-11-17 08:03:25,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-17 08:03:25,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-17 08:03:25,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-17 08:03:25,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-17 08:03:25,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,422 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-17 08:03:25,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-17 08:03:25,431 INFO L112 PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-17 08:03:25,431 INFO L270 PluginConnector]: Initializing IcfgBuilder...
[2024-11-17 08:03:25,431 INFO L274 PluginConnector]: IcfgBuilder initialized
[2024-11-17 08:03:25,432 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (1/1) ...
[2024-11-17 08:03:25,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-17 08:03:25,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-17 08:03:25,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-17 08:03:25,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-17 08:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-17 08:03:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-17 08:03:25,593 INFO L256 CfgBuilder]: Building ICFG
[2024-11-17 08:03:25,595 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-17 08:03:25,662 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live.
[2024-11-17 08:03:25,662 INFO L307 CfgBuilder]: Performing block encoding
[2024-11-17 08:03:25,680 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-17 08:03:25,680 INFO L336 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-17 08:03:25,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:03:25 BoogieIcfgContainer
[2024-11-17 08:03:25,681 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-17 08:03:25,682 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-17 08:03:25,683 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-17 08:03:25,686 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-17 08:03:25,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-17 08:03:25,688 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:03:25" (1/3) ...
[2024-11-17 08:03:25,689 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682bca6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:03:25, skipping insertion in model container
[2024-11-17 08:03:25,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-17 08:03:25,689 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:25" (2/3) ...
[2024-11-17 08:03:25,690 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682bca6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:03:25, skipping insertion in model container
[2024-11-17 08:03:25,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-17 08:03:25,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:03:25" (3/3) ...
[2024-11-17 08:03:25,695 INFO L332 chiAutomizerObserver]: Analyzing ICFG ComplInterv2.c
[2024-11-17 08:03:25,754 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-17 08:03:25,755 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-17 08:03:25,755 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-17 08:03:25,756 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-17 08:03:25,756 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-17 08:03:25,756 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-17 08:03:25,756 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-17 08:03:25,757 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-17 08:03:25,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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)
[2024-11-17 08:03:25,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2024-11-17 08:03:25,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-17 08:03:25,779 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-17 08:03:25,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-17 08:03:25,786 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-17 08:03:25,786 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-17 08:03:25,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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)
[2024-11-17 08:03:25,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2024-11-17 08:03:25,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-17 08:03:25,788 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-17 08:03:25,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-17 08:03:25,789 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-17 08:03:25,796 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2#L9true
[2024-11-17 08:03:25,799 INFO L747 eck$LassoCheckResult]: Loop: 2#L9true assume true; 6#L9-1true assume !!(0 != main_~i~0#1); 7#L10true assume !(main_~i~0#1 > -5 && main_~i~0#1 < 5); 2#L9true
[2024-11-17 08:03:25,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-17 08:03:25,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1408, now seen corresponding path program 1 times
[2024-11-17 08:03:25,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-17 08:03:25,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850969369]
[2024-11-17 08:03:25,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-17 08:03:25,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-17 08:03:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:25,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-17 08:03:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:25,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-17 08:03:25,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-17 08:03:25,929 INFO L85 PathProgramCache]: Analyzing trace with hash 40680, now seen corresponding path program 1 times
[2024-11-17 08:03:25,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-17 08:03:25,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382046998]
[2024-11-17 08:03:25,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-17 08:03:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-17 08:03:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:25,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-17 08:03:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:25,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-17 08:03:25,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-17 08:03:25,954 INFO L85 PathProgramCache]: Analyzing trace with hash 41956617, now seen corresponding path program 1 times
[2024-11-17 08:03:25,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-17 08:03:25,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524288342]
[2024-11-17 08:03:25,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-17 08:03:25,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-17 08:03:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:25,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-17 08:03:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:25,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-17 08:03:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:26,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-17 08:03:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-17 08:03:26,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:03:26 BoogieIcfgContainer
[2024-11-17 08:03:26,115 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-17 08:03:26,116 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-17 08:03:26,116 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-17 08:03:26,117 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-17 08:03:26,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:03:25" (3/4) ...
[2024-11-17 08:03:26,121 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-17 08:03:26,156 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-17 08:03:26,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-17 08:03:26,159 INFO L158 Benchmark]: Toolchain (without parser) took 1041.73ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 67.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-17 08:03:26,162 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 114.7MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-17 08:03:26,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.31ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 97.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-17 08:03:26,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.87ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 96.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-17 08:03:26,164 INFO L158 Benchmark]: Boogie Preprocessor took 23.67ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 95.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-17 08:03:26,165 INFO L158 Benchmark]: IcfgBuilder took 250.65ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 86.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-17 08:03:26,165 INFO L158 Benchmark]: BuchiAutomizer took 433.09ms. Allocated memory is still 151.0MB. Free memory was 86.1MB in the beginning and 68.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-17 08:03:26,165 INFO L158 Benchmark]: Witness Printer took 40.50ms. Allocated memory is still 151.0MB. Free memory was 68.8MB in the beginning and 67.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-17 08:03:26,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.30ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 114.7MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 262.31ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 97.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.87ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 96.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.67ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 95.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* IcfgBuilder took 250.65ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 86.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* BuchiAutomizer took 433.09ms. Allocated memory is still 151.0MB. Free memory was 86.1MB in the beginning and 68.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 40.50ms. Allocated memory is still 151.0MB. Free memory was 68.8MB in the beginning and 67.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Trivial decomposition into one nonterminating module.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 9]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L6] int i;
[L7] i = __VERIFIER_nondet_int()
Loop:
[L9] COND TRUE i != 0
[L10] COND FALSE !(i > -5 && i < 5)
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 9]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L6] int i;
[L7] i = __VERIFIER_nondet_int()
Loop:
[L9] COND TRUE i != 0
[L10] COND FALSE !(i > -5 && i < 5)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-17 08:03:26,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)