./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/ConvLower.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/ConvLower.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX --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 53380e8569c70a1efdb918ce9289975051e88fe57ba0743af14839dd30306283
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:24:58,562 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:24:58,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-11-08 18:24:58,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:24:58,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:24:58,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:24:58,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:24:58,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:24:58,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:24:58,689 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:24:58,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:24:58,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:24:58,691 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:24:58,692 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-08 18:24:58,692 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-08 18:24:58,692 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-08 18:24:58,693 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-08 18:24:58,693 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-08 18:24:58,694 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-08 18:24:58,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:24:58,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-08 18:24:58,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:24:58,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:24:58,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-08 18:24:58,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-08 18:24:58,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-08 18:24:58,700 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:24:58,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:24:58,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:24:58,718 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-08 18:24:58,718 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:24:58,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:24:58,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:24:58,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:24:58,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:24:58,720 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-08 18:24:58,720 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53380e8569c70a1efdb918ce9289975051e88fe57ba0743af14839dd30306283
[2024-11-08 18:24:58,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:24:58,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:24:58,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:24:59,001 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:24:59,002 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:24:59,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-restricted-15/ConvLower.c
Unable to find full path for "g++"
[2024-11-08 18:25:00,991 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:25:01,165 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:25:01,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/sv-benchmarks/c/termination-restricted-15/ConvLower.c
[2024-11-08 18:25:01,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/data/2e995997f/5b1d3fd0920d49af91ee0db37448d6d8/FLAG8be197d16
[2024-11-08 18:25:01,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/data/2e995997f/5b1d3fd0920d49af91ee0db37448d6d8
[2024-11-08 18:25:01,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:25:01,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:25:01,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:25:01,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:25:01,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:25:01,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c071f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01, skipping insertion in model container
[2024-11-08 18:25:01,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,613 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:25:01,775 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:25:01,780 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:25:01,789 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:25:01,803 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:25:01,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01 WrapperNode
[2024-11-08 18:25:01,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:25:01,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:25:01,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:25:01,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:25:01,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,833 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13
[2024-11-08 18:25:01,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:25:01,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:25:01,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:25:01,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:25:01,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,855 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-08 18:25:01,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:25:01,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:25:01,866 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:25:01,866 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:25:01,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (1/1) ...
[2024-11-08 18:25:01,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 18:25:01,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:25:01,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-08 18:25:01,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:25:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:25:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:25:02,019 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:25:02,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:25:02,096 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live.
[2024-11-08 18:25:02,096 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:25:02,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:25:02,119 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:25:02,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:25:02 BoogieIcfgContainer
[2024-11-08 18:25:02,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:25:02,121 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-08 18:25:02,122 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-08 18:25:02,127 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-08 18:25:02,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-08 18:25:02,128 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:25:01" (1/3) ...
[2024-11-08 18:25:02,129 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d2ce512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:25:02, skipping insertion in model container
[2024-11-08 18:25:02,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-08 18:25:02,129 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:25:01" (2/3) ...
[2024-11-08 18:25:02,129 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d2ce512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:25:02, skipping insertion in model container
[2024-11-08 18:25:02,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-08 18:25:02,130 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:25:02" (3/3) ...
[2024-11-08 18:25:02,131 INFO L332 chiAutomizerObserver]: Analyzing ICFG ConvLower.c
[2024-11-08 18:25:02,199 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-08 18:25:02,200 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-08 18:25:02,201 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-08 18:25:02,201 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-08 18:25:02,201 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-08 18:25:02,201 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-08 18:25:02,201 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-08 18:25:02,202 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-08 18:25:02,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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)
[2024-11-08 18:25:02,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2024-11-08 18:25:02,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-08 18:25:02,225 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-08 18:25:02,231 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-08 18:25:02,231 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-08 18:25:02,233 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-08 18:25:02,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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)
[2024-11-08 18:25:02,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2024-11-08 18:25:02,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-08 18:25:02,235 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-08 18:25:02,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-08 18:25:02,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-08 18:25:02,244 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 3#L10-2true
[2024-11-08 18:25:02,245 INFO L747 eck$LassoCheckResult]: Loop: 3#L10-2true assume main_~i~0#1 > 5; 4#L9-1true assume !!(main_~i~0#1 > 5); 6#L10true assume !(10 != main_~i~0#1); 3#L10-2true
[2024-11-08 18:25:02,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:25:02,251 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-11-08 18:25:02,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:25:02,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416755773]
[2024-11-08 18:25:02,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:25:02,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:25:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:25:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:25:02,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:25:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash 35914, now seen corresponding path program 1 times
[2024-11-08 18:25:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:25:02,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127040739]
[2024-11-08 18:25:02,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:25:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:25:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:25:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:25:02,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:25:02,406 INFO L85 PathProgramCache]: Analyzing trace with hash 28694856, now seen corresponding path program 1 times
[2024-11-08 18:25:02,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:25:02,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003452779]
[2024-11-08 18:25:02,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:25:02,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:25:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:25:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:25:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:25:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:02,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:25:02 BoogieIcfgContainer
[2024-11-08 18:25:02,511 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-08 18:25:02,511 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:25:02,512 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:25:02,512 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:25:02,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:25:02" (3/4) ...
[2024-11-08 18:25:02,516 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-08 18:25:02,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:25:02,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:25:02,588 INFO L158 Benchmark]: Toolchain (without parser) took 1001.79ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 66.7MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-08 18:25:02,589 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 144.7MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:25:02,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.00ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 95.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 18:25:02,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.70ms. Allocated memory is still 144.7MB. Free memory was 95.6MB in the beginning and 94.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:25:02,594 INFO L158 Benchmark]: Boogie Preprocessor took 29.94ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:25:02,597 INFO L158 Benchmark]: RCFGBuilder took 254.59ms. Allocated memory is still 144.7MB. Free memory was 93.0MB in the beginning and 84.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 18:25:02,598 INFO L158 Benchmark]: BuchiAutomizer took 389.87ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 68.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 18:25:02,599 INFO L158 Benchmark]: Witness Printer took 73.56ms. Allocated memory is still 144.7MB. Free memory was 68.3MB in the beginning and 66.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:25:02,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.68ms. Allocated memory is still 144.7MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 218.00ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 95.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 29.70ms. Allocated memory is still 144.7MB. Free memory was 95.6MB in the beginning and 94.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.94ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 254.59ms. Allocated memory is still 144.7MB. Free memory was 93.0MB in the beginning and 84.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 389.87ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 68.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 73.56ms. Allocated memory is still 144.7MB. Free memory was 68.3MB in the beginning and 66.7MB 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 0.2s. 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 FALSE !(i > 5)
[L9] COND TRUE i > 5
[L10] COND FALSE !(i != 10)
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 FALSE !(i > 5)
[L9] COND TRUE i > 5
[L10] COND FALSE !(i != 10)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 18:25:02,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a823cc80-4e30-4cf5-af5a-ec4e71a0ec8a/bin/uautomizer-verify-jihMAELWvX/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)