./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms3f.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ms3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y --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 4c8140e2e8a1fdfd22598944f5691727061dbf1fd5151d567023569c44339f8c
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:56:58,763 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:56:58,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:56:58,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:56:58,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:56:58,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:56:58,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:56:58,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:56:58,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:56:58,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:56:58,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:56:58,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:56:58,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:56:58,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:56:58,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:56:58,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:56:58,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:56:58,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:56:58,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:56:58,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:56:58,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:56:58,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:56:58,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:56:58,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:56:58,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:56:58,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:56:58,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:56:58,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:56:58,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:56:58,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:56:58,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:56:58,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:56:58,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:56:58,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:56:58,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:56:58,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:56:58,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:56:58,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:56:58,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:56:58,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:56:58,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:56:58,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 17:56:58,923 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:56:58,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:56:58,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:56:58,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:56:58,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:56:58,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:56:58,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:56:58,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:56:58,938 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:56:58,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:56:58,939 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:56:58,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:56:58,940 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:56:58,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:56:58,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:56:58,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:56:58,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:56:58,941 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:56:58,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:56:58,941 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:56:58,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:56:58,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:56:58,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:56:58,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:56:58,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:56:58,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:56:58,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:56:58,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:56:58,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:56:58,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:56:58,942 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:56:58,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:56:58,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:56:58,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:56:58,943 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_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c8140e2e8a1fdfd22598944f5691727061dbf1fd5151d567023569c44339f8c
[2021-11-13 17:56:59,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:56:59,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:56:59,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:56:59,330 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:56:59,331 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:56:59,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-fpi/ms3f.c
[2021-11-13 17:56:59,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/data/1ae61001a/111d1d6fa614487aba74aa0c3c3d1801/FLAG9643a9ff9
[2021-11-13 17:56:59,895 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:56:59,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/sv-benchmarks/c/array-fpi/ms3f.c
[2021-11-13 17:56:59,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/data/1ae61001a/111d1d6fa614487aba74aa0c3c3d1801/FLAG9643a9ff9
[2021-11-13 17:57:00,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/data/1ae61001a/111d1d6fa614487aba74aa0c3c3d1801
[2021-11-13 17:57:00,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:57:00,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:57:00,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:57:00,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:57:00,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:57:00,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3821dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00, skipping insertion in model container
[2021-11-13 17:57:00,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:57:00,328 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:57:00,469 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_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/sv-benchmarks/c/array-fpi/ms3f.c[587,600]
[2021-11-13 17:57:00,512 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:57:00,520 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:57:00,534 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_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/sv-benchmarks/c/array-fpi/ms3f.c[587,600]
[2021-11-13 17:57:00,541 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:57:00,556 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:57:00,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00 WrapperNode
[2021-11-13 17:57:00,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:57:00,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:57:00,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:57:00,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:57:00,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:57:00,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:57:00,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:57:00,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:57:00,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:57:00,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:57:00,623 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:57:00,623 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:57:00,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (1/1) ...
[2021-11-13 17:57:00,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:57:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:57:00,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:57:00,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:57:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:57:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:57:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:57:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 17:57:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:57:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:57:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:57:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:57:00,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:57:00,990 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 17:57:00,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:57:00 BoogieIcfgContainer
[2021-11-13 17:57:00,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:57:00,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:57:00,994 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:57:00,997 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:57:00,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:57:00" (1/3) ...
[2021-11-13 17:57:00,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4810e5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:57:00, skipping insertion in model container
[2021-11-13 17:57:00,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:57:00" (2/3) ...
[2021-11-13 17:57:00,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4810e5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:57:00, skipping insertion in model container
[2021-11-13 17:57:00,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:57:00" (3/3) ...
[2021-11-13 17:57:01,001 INFO L111 eAbstractionObserver]: Analyzing ICFG ms3f.c
[2021-11-13 17:57:01,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:57:01,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:57:01,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:57:01,068 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
[2021-11-13 17:57:01,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:57:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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)
[2021-11-13 17:57:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:57:01,089 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:57:01,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:57:01,090 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:57:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:57:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times
[2021-11-13 17:57:01,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:57:01,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464772586]
[2021-11-13 17:57:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:57:01,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:57:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:57:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:57:01,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:57:01,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464772586]
[2021-11-13 17:57:01,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464772586] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:57:01,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:57:01,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:57:01,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305148447]
[2021-11-13 17:57:01,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:57:01,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:57:01,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:57:01,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:57:01,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:57:01,342 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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)
[2021-11-13 17:57:01,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:57:01,358 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions.
[2021-11-13 17:57:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 17:57:01,375 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) Word has length 11
[2021-11-13 17:57:01,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:57:01,392 INFO L225 Difference]: With dead ends: 34
[2021-11-13 17:57:01,392 INFO L226 Difference]: Without dead ends: 15
[2021-11-13 17:57:01,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:57:01,399 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:57:01,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:57:01,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2021-11-13 17:57:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2021-11-13 17:57:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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)
[2021-11-13 17:57:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2021-11-13 17:57:01,468 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11
[2021-11-13 17:57:01,469 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:57:01,469 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2021-11-13 17:57:01,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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)
[2021-11-13 17:57:01,470 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2021-11-13 17:57:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:57:01,470 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:57:01,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:57:01,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:57:01,471 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:57:01,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:57:01,473 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times
[2021-11-13 17:57:01,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:57:01,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530633872]
[2021-11-13 17:57:01,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:57:01,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:57:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:57:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:57:01,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:57:01,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530633872]
[2021-11-13 17:57:01,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530633872] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:57:01,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:57:01,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 17:57:01,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673328387]
[2021-11-13 17:57:01,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:57:01,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:57:01,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:57:01,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:57:01,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:57:01,591 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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)
[2021-11-13 17:57:01,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:57:01,665 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions.
[2021-11-13 17:57:01,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:57:01,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Word has length 11
[2021-11-13 17:57:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:57:01,667 INFO L225 Difference]: With dead ends: 28
[2021-11-13 17:57:01,667 INFO L226 Difference]: Without dead ends: 20
[2021-11-13 17:57:01,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:57:01,670 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.39ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.17ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:57:01,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 11 Invalid, 26 Unknown, 0 Unchecked, 1.39ms Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 63.17ms Time]
[2021-11-13 17:57:01,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-11-13 17:57:01,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18.
[2021-11-13 17:57:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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)
[2021-11-13 17:57:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2021-11-13 17:57:01,687 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11
[2021-11-13 17:57:01,687 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:57:01,687 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2021-11-13 17:57:01,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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)
[2021-11-13 17:57:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2021-11-13 17:57:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-13 17:57:01,689 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:57:01,689 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:57:01,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:57:01,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:57:01,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:57:01,699 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times
[2021-11-13 17:57:01,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:57:01,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153551055]
[2021-11-13 17:57:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:57:01,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:57:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:57:01,759 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:57:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:57:01,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:57:01,822 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 17:57:01,823 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:57:01,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 17:57:01,829 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-11-13 17:57:01,833 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:57:01,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:57:01 BoogieIcfgContainer
[2021-11-13 17:57:01,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:57:01,870 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:57:01,871 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:57:01,871 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:57:01,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:57:00" (3/4) ...
[2021-11-13 17:57:01,874 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-11-13 17:57:01,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:57:01,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:57:01,930 INFO L158 Benchmark]: Toolchain (without parser) took 1656.54ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.8MB in the beginning and 65.5MB in the end (delta: -10.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,931 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:57:01,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.82ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.6MB in the beginning and 84.3MB in the end (delta: -29.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.32ms. Allocated memory is still 109.1MB. Free memory was 84.3MB in the beginning and 82.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,933 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,934 INFO L158 Benchmark]: RCFGBuilder took 369.04ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 70.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,942 INFO L158 Benchmark]: TraceAbstraction took 876.31ms. Allocated memory is still 109.1MB. Free memory was 70.2MB in the beginning and 67.9MB in the end (delta: 2.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,942 INFO L158 Benchmark]: Witness Printer took 58.60ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 65.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:57:01,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 281.82ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.6MB in the beginning and 84.3MB in the end (delta: -29.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.32ms. Allocated memory is still 109.1MB. Free memory was 84.3MB in the beginning and 82.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.00ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 369.04ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 70.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 876.31ms. Allocated memory is still 109.1MB. Free memory was 70.2MB in the beginning and 67.9MB in the end (delta: 2.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB.
* Witness Printer took 58.60ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 65.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 15]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L19] int N;
VAL [N=0]
[L23] N = __VERIFIER_nondet_int()
[L24] COND FALSE !(N <= 0)
[L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, N=1]
[L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27] int i;
[L28] long long sum[1];
[L29] int *a = malloc(sizeof(int)*N);
[L31] i=0
VAL [a={-1:0}, i=0, N=1, sum={9:0}]
[L31] COND TRUE i<N
[L33] a[i] = i%3
VAL [a={-1:0}, i=0, N=1, sum={9:0}]
[L31] i++
VAL [a={-1:0}, i=1, N=1, sum={9:0}]
[L31] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={9:0}]
[L36] i=0
VAL [a={-1:0}, i=0, N=1, sum={9:0}]
[L36] COND TRUE i<N
VAL [a={-1:0}, i=0, N=1, sum={9:0}]
[L38] COND TRUE i==0
[L39] sum[0] = 0
VAL [a={-1:0}, i=0, N=1, sum={9:0}]
[L36] i++
VAL [a={-1:0}, i=1, N=1, sum={9:0}]
[L36] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={9:0}]
[L44] EXPR sum[0]
[L44] CALL __VERIFIER_assert(sum[0] > 2*N)
[L15] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, N=1]
[L15] reach_error()
VAL [\old(cond)=0, cond=0, N=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 63.17ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 33.48ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 30 mSDtfsCounter, 20 mSolverCounterSat, 2.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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!
[2021-11-13 17:57:02,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6296fa0f-8ca8-4bf3-9387-4d083efe13aa/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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