./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32
...............................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:43:52,443 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:43:52,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:43:52,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:43:52,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:43:52,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:43:52,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:43:52,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:43:52,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:43:52,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:43:52,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:43:52,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:43:52,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:43:52,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:43:52,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:43:52,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:43:52,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:43:52,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:43:52,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:43:52,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:43:52,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:43:52,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:43:52,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:43:52,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:43:52,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:43:52,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:43:52,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:43:52,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:43:52,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:43:52,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:43:52,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:43:52,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:43:52,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:43:52,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:43:52,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:43:52,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:43:52,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:43:52,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:43:52,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:43:52,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:43:52,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:43:52,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 23:43:52,655 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:43:52,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:43:52,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:43:52,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:43:52,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:43:52,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:43:52,658 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:43:52,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:43:52,659 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:43:52,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:43:52,659 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:43:52,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:43:52,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:43:52,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:43:52,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:43:52,661 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:43:52,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:43:52,661 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:43:52,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:43:52,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:43:52,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:43:52,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 23:43:52,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:43:52,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:43:52,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:43:52,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:43:52,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:43:52,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:43:52,664 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:43:52,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:43:52,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:43:52,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:43:52,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32
[2021-10-28 23:43:53,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:43:53,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:43:53,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:43:53,052 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:43:53,053 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:43:53,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loop-invgen/id_trans.i
[2021-10-28 23:43:53,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/data/9be1aebdc/5c2193685f014f5bac9c75c22b736123/FLAG2d860433b
[2021-10-28 23:43:53,777 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:43:53,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/sv-benchmarks/c/loop-invgen/id_trans.i
[2021-10-28 23:43:53,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/data/9be1aebdc/5c2193685f014f5bac9c75c22b736123/FLAG2d860433b
[2021-10-28 23:43:54,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/data/9be1aebdc/5c2193685f014f5bac9c75c22b736123
[2021-10-28 23:43:54,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:43:54,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:43:54,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:43:54,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:43:54,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:43:54,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d123968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54, skipping insertion in model container
[2021-10-28 23:43:54,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:43:54,164 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:43:54,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/sv-benchmarks/c/loop-invgen/id_trans.i[893,906]
[2021-10-28 23:43:54,382 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:43:54,392 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:43:54,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/sv-benchmarks/c/loop-invgen/id_trans.i[893,906]
[2021-10-28 23:43:54,414 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:43:54,431 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:43:54,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54 WrapperNode
[2021-10-28 23:43:54,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:43:54,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:43:54,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:43:54,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:43:54,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:43:54,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:43:54,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:43:54,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:43:54,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:43:54,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:43:54,509 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:43:54,509 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:43:54,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (1/1) ...
[2021-10-28 23:43:54,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:43:54,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:43:54,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:43:54,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:43:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:43:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:43:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:43:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:43:54,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:43:54,847 INFO L299 CfgBuilder]: Removed 13 assume(true) statements.
[2021-10-28 23:43:54,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:43:54 BoogieIcfgContainer
[2021-10-28 23:43:54,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:43:54,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:43:54,853 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:43:54,858 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:43:54,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:43:54" (1/3) ...
[2021-10-28 23:43:54,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5f37b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:43:54, skipping insertion in model container
[2021-10-28 23:43:54,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:54" (2/3) ...
[2021-10-28 23:43:54,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5f37b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:43:54, skipping insertion in model container
[2021-10-28 23:43:54,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:43:54" (3/3) ...
[2021-10-28 23:43:54,862 INFO L111 eAbstractionObserver]: Analyzing ICFG id_trans.i
[2021-10-28 23:43:54,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:43:54,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-10-28 23:43:54,935 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:43:54,945 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:43:54,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-10-28 23:43:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 23 states have internal predecessors, (30), 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)
[2021-10-28 23:43:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-28 23:43:54,987 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:43:54,988 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:54,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2021-10-28 23:43:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:54,997 INFO L85 PathProgramCache]: Analyzing trace with hash 889574253, now seen corresponding path program 1 times
[2021-10-28 23:43:55,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:55,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897092922]
[2021-10-28 23:43:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:55,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:43:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:43:55,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:43:55,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897092922]
[2021-10-28 23:43:55,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897092922] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:43:55,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:43:55,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 23:43:55,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831108604]
[2021-10-28 23:43:55,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:43:55,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:43:55,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:43:55,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:43:55,519 INFO L87 Difference]: Start difference. First operand has 24 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 23 states have internal predecessors, (30), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2021-10-28 23:43:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:43:55,655 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions.
[2021-10-28 23:43:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:43:55,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Word has length 6
[2021-10-28 23:43:55,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:43:55,669 INFO L225 Difference]: With dead ends: 49
[2021-10-28 23:43:55,670 INFO L226 Difference]: Without dead ends: 17
[2021-10-28 23:43:55,676 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:43:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2021-10-28 23:43:55,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16.
[2021-10-28 23:43:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 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)
[2021-10-28 23:43:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2021-10-28 23:43:55,721 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6
[2021-10-28 23:43:55,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:43:55,723 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2021-10-28 23:43:55,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2021-10-28 23:43:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2021-10-28 23:43:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-10-28 23:43:55,725 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:43:55,725 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:55,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:43:55,726 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2021-10-28 23:43:55,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 182520880, now seen corresponding path program 1 times
[2021-10-28 23:43:55,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:55,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512629707]
[2021-10-28 23:43:55,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:55,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:43:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:43:55,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:43:55,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512629707]
[2021-10-28 23:43:55,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512629707] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:43:55,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:43:55,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 23:43:55,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835307371]
[2021-10-28 23:43:55,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:43:55,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:43:55,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:43:55,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:43:55,865 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2021-10-28 23:43:55,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:43:55,961 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2021-10-28 23:43:55,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-28 23:43:55,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) Word has length 8
[2021-10-28 23:43:55,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:43:55,963 INFO L225 Difference]: With dead ends: 17
[2021-10-28 23:43:55,963 INFO L226 Difference]: Without dead ends: 15
[2021-10-28 23:43:55,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:43:55,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2021-10-28 23:43:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14.
[2021-10-28 23:43:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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)
[2021-10-28 23:43:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2021-10-28 23:43:55,970 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8
[2021-10-28 23:43:55,970 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:43:55,970 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2021-10-28 23:43:55,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2021-10-28 23:43:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2021-10-28 23:43:55,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-28 23:43:55,972 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:43:55,972 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:55,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:43:55,973 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2021-10-28 23:43:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1729194902, now seen corresponding path program 1 times
[2021-10-28 23:43:55,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:55,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929423336]
[2021-10-28 23:43:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:55,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:56,035 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:56,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:43:56,101 INFO L627 BasicCegarLoop]: Counterexample is feasible
[2021-10-28 23:43:56,102 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:43:56,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:43:56,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:43:56,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:43:56,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 23:43:56,111 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-10-28 23:43:56,116 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:43:56,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:43:56 BoogieIcfgContainer
[2021-10-28 23:43:56,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:43:56,142 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:43:56,143 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:43:56,143 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:43:56,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:43:54" (3/4) ...
[2021-10-28 23:43:56,146 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-28 23:43:56,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:43:56,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:43:56,203 INFO L168 Benchmark]: Toolchain (without parser) took 2074.04 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 87.5 MB in the beginning and 109.4 MB in the end (delta: -21.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,204 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 117.4 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.29 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 87.2 MB in the beginning and 118.6 MB in the end (delta: -31.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.33 ms. Allocated memory is still 144.7 MB. Free memory was 118.6 MB in the beginning and 116.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,207 INFO L168 Benchmark]: Boogie Preprocessor took 27.29 ms. Allocated memory is still 144.7 MB. Free memory was 116.9 MB in the beginning and 116.1 MB in the end (delta: 780.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,208 INFO L168 Benchmark]: RCFGBuilder took 341.87 ms. Allocated memory is still 144.7 MB. Free memory was 116.0 MB in the beginning and 106.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,208 INFO L168 Benchmark]: TraceAbstraction took 1288.83 ms. Allocated memory is still 144.7 MB. Free memory was 105.8 MB in the beginning and 111.5 MB in the end (delta: -5.7 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,209 INFO L168 Benchmark]: Witness Printer took 58.56 ms. Allocated memory is still 144.7 MB. Free memory was 111.5 MB in the beginning and 109.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:43:56,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36 ms. Allocated memory is still 117.4 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 303.29 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 87.2 MB in the beginning and 118.6 MB in the end (delta: -31.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 45.33 ms. Allocated memory is still 144.7 MB. Free memory was 118.6 MB in the beginning and 116.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 27.29 ms. Allocated memory is still 144.7 MB. Free memory was 116.9 MB in the beginning and 116.1 MB in the end (delta: 780.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 341.87 ms. Allocated memory is still 144.7 MB. Free memory was 116.0 MB in the beginning and 106.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 1288.83 ms. Allocated memory is still 144.7 MB. Free memory was 105.8 MB in the beginning and 111.5 MB in the end (delta: -5.7 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Witness Printer took 58.56 ms. Allocated memory is still 144.7 MB. Free memory was 111.5 MB in the beginning and 109.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L25] int idBitLength, material_length, nlen;
[L26] int j, k;
[L27] nlen = __VERIFIER_nondet_int()
[L28] idBitLength = __VERIFIER_nondet_int()
[L29] material_length = __VERIFIER_nondet_int()
[L30] COND FALSE !(!( nlen == idBitLength / 32 ))
[L31] j = 0
[L31] COND TRUE (j < idBitLength / 8) && (j < material_length)
[L18] COND FALSE !(!(cond))
[L18] COND FALSE !(!(cond))
[L18] COND FALSE !(!(cond))
[L18] COND TRUE !(cond)
[L19] reach_error()
- UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 25 SDslu, 20 SDs, 0 SdLazy, 29 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:43:56,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c6a3dd-a33e-4da9-83c0-8d4ad8304c85/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...