./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 4006e5bbc9a234a3363872bc2e5100c7378eec16240b7c8c65c17af0dd119109
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:58:17,154 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:58:17,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:58:17,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:58:17,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:58:17,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:58:17,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:58:17,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:58:17,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:58:17,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:58:17,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:58:17,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:58:17,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:58:17,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:58:17,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:58:17,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:58:17,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:58:17,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:58:17,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:58:17,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:58:17,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:58:17,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:58:17,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:58:17,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:58:17,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:58:17,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:58:17,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:58:17,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:58:17,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:58:17,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:58:17,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:58:17,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:58:17,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:58:17,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:58:17,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:58:17,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:58:17,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:58:17,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:58:17,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:58:17,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:58:17,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:58:17,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf
[2022-11-02 20:58:17,279 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:58:17,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:58:17,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:58:17,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:58:17,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:58:17,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:58:17,281 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:58:17,281 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 20:58:17,282 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-02 20:58:17,282 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-02 20:58:17,282 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-02 20:58:17,282 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-02 20:58:17,282 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 20:58:17,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:58:17,283 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:58:17,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:58:17,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:58:17,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 20:58:17,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 20:58:17,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 20:58:17,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:58:17,284 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-02 20:58:17,284 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:58:17,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-02 20:58:17,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:58:17,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:58:17,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:58:17,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:58:17,286 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 20:58:17,286 INFO L138 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_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4006e5bbc9a234a3363872bc2e5100c7378eec16240b7c8c65c17af0dd119109
[2022-11-02 20:58:17,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:58:17,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:58:17,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:58:17,537 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:58:17,538 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:58:17,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c
[2022-11-02 20:58:17,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/data/fc4d011ea/e9566d9633d241b798285e59251e0e0d/FLAG9a8b65c5c
[2022-11-02 20:58:18,168 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:58:18,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c
[2022-11-02 20:58:18,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/data/fc4d011ea/e9566d9633d241b798285e59251e0e0d/FLAG9a8b65c5c
[2022-11-02 20:58:18,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/data/fc4d011ea/e9566d9633d241b798285e59251e0e0d
[2022-11-02 20:58:18,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:58:18,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:58:18,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:58:18,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:58:18,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:58:18,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25eab420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18, skipping insertion in model container
[2022-11-02 20:58:18,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:58:18,574 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:58:18,812 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:58:18,816 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:58:18,842 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:58:18,862 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:58:18,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18 WrapperNode
[2022-11-02 20:58:18,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:58:18,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:58:18,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:58:18,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:58:18,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,903 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26
[2022-11-02 20:58:18,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:58:18,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:58:18,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:58:18,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:58:18,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,925 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:58:18,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:58:18,929 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:58:18,929 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:58:18,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:58:18,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:58:18,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:58:18,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:58:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:58:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:58:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:58:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:58:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:58:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:58:19,081 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:58:19,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:58:19,235 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:58:19,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:58:19,241 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:58:19,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:19 BoogieIcfgContainer
[2022-11-02 20:58:19,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:58:19,244 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 20:58:19,244 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 20:58:19,266 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-02 20:58:19,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:58:19,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:58:18" (1/3) ...
[2022-11-02 20:58:19,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56f9d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:19, skipping insertion in model container
[2022-11-02 20:58:19,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:58:19,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18" (2/3) ...
[2022-11-02 20:58:19,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56f9d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:19, skipping insertion in model container
[2022-11-02 20:58:19,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:58:19,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:19" (3/3) ...
[2022-11-02 20:58:19,270 INFO L332 chiAutomizerObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices.c
[2022-11-02 20:58:19,391 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 20:58:19,403 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-02 20:58:19,403 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 20:58:19,403 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 20:58:19,403 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 20:58:19,403 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-02 20:58:19,403 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 20:58:19,403 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 20:58:19,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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)
[2022-11-02 20:58:19,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2022-11-02 20:58:19,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:58:19,428 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:58:19,438 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2022-11-02 20:58:19,438 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 20:58:19,438 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 20:58:19,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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)
[2022-11-02 20:58:19,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2022-11-02 20:58:19,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:58:19,440 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:58:19,440 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2022-11-02 20:58:19,440 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 20:58:19,448 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~mem2#1, main_#t~nondet3#1, main_#t~mem1#1, main_~#a~0#1.base, main_~#a~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4192);call write~int(main_#t~nondet0#1, main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4);havoc main_#t~nondet0#1; 6#L13-3true
[2022-11-02 20:58:19,448 INFO L750 eck$LassoCheckResult]: Loop: 6#L13-3true call main_#t~mem1#1 := read~int(main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4); 3#L13-1true assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4);call write~int(main_#t~mem2#1 - 1, main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4);havoc main_#t~mem2#1;call write~int(main_#t~nondet3#1, main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4);havoc main_#t~nondet3#1; 6#L13-3true
[2022-11-02 20:58:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:58:19,456 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2022-11-02 20:58:19,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:58:19,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419023082]
[2022-11-02 20:58:19,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:58:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:58:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:19,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:58:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:19,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:58:19,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:58:19,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times
[2022-11-02 20:58:19,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:58:19,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694783090]
[2022-11-02 20:58:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:58:19,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:58:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:19,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:58:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:19,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:58:19,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:58:19,755 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times
[2022-11-02 20:58:19,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:58:19,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156777607]
[2022-11-02 20:58:19,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:58:19,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:58:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:19,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:58:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:19,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:58:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:20,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:58:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:58:20,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:58:20 BoogieIcfgContainer
[2022-11-02 20:58:20,224 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 20:58:20,225 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:58:20,225 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:58:20,225 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:58:20,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:19" (3/4) ...
[2022-11-02 20:58:20,229 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2022-11-02 20:58:20,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:58:20,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:58:20,263 INFO L158 Benchmark]: Toolchain (without parser) took 1720.33ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 91.7MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:58:20,263 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:58:20,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.49ms. Allocated memory is still 121.6MB. Free memory was 88.6MB in the beginning and 98.6MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:58:20,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.19ms. Allocated memory is still 121.6MB. Free memory was 98.6MB in the beginning and 97.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:58:20,265 INFO L158 Benchmark]: Boogie Preprocessor took 20.58ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 96.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:58:20,266 INFO L158 Benchmark]: RCFGBuilder took 314.38ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 87.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:58:20,266 INFO L158 Benchmark]: BuchiAutomizer took 980.94ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 93.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:58:20,267 INFO L158 Benchmark]: Witness Printer took 36.01ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:58:20,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 317.49ms. Allocated memory is still 121.6MB. Free memory was 88.6MB in the beginning and 98.6MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.19ms. Allocated memory is still 121.6MB. Free memory was 98.6MB in the beginning and 97.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.58ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 96.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 314.38ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 87.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 980.94ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 93.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 36.01ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). 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 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 13]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L9] int a[1048];
[L11] a[2] = __VERIFIER_nondet_int()
Loop:
[L13] EXPR a[2]
[L13] COND TRUE a[2] >= 0
[L14] EXPR a[2]
[L14] a[2] = a[2] - 1
[L15] a[1+1] = __VERIFIER_nondet_int()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 13]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L9] int a[1048];
[L11] a[2] = __VERIFIER_nondet_int()
Loop:
[L13] EXPR a[2]
[L13] COND TRUE a[2] >= 0
[L14] EXPR a[2]
[L14] a[2] = a[2] - 1
[L15] a[1+1] = __VERIFIER_nondet_int()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 20:58:20,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d2838-4ca8-4388-8f2b-831f9ecfb0f1/bin/uautomizer-Dbtcem3rbc/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)