./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s42iff.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_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/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_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/s42iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/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_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/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 cab9485b959e77d6deff86bc73b506eef564dcbe6dfef5f5d40fbaefa7c4e678
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:45:03,065 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:45:03,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:45:03,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:45:03,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:45:03,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:45:03,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:45:03,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:45:03,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:45:03,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:45:03,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:45:03,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:45:03,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:45:03,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:45:03,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:45:03,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:45:03,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:45:03,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:45:03,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:45:03,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:45:03,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:45:03,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:45:03,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:45:03,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:45:03,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:45:03,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:45:03,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:45:03,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:45:03,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:45:03,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:45:03,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:45:03,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:45:03,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:45:03,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:45:03,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:45:03,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:45:03,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:45:03,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:45:03,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:45:03,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:45:03,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:45:03,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:45:03,263 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:45:03,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:45:03,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:45:03,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:45:03,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:45:03,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:45:03,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:45:03,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:45:03,269 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:45:03,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:45:03,271 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:45:03,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:45:03,272 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:45:03,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:45:03,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:45:03,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:45:03,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:45:03,273 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:45:03,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:45:03,274 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:45:03,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:45:03,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:45:03,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:45:03,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:45:03,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:45:03,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:45:03,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:45:03,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:45:03,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:45:03,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:45:03,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:45:03,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:45:03,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:45:03,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:45:03,280 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_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab9485b959e77d6deff86bc73b506eef564dcbe6dfef5f5d40fbaefa7c4e678
[2021-11-13 18:45:03,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:45:03,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:45:03,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:45:03,638 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:45:03,639 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:45:03,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-fpi/s42iff.c
[2021-11-13 18:45:03,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/data/9494f44ae/82d199934ee94ff5a8a4ffe1f5df283c/FLAGffed0bb5b
[2021-11-13 18:45:04,319 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:45:04,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/sv-benchmarks/c/array-fpi/s42iff.c
[2021-11-13 18:45:04,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/data/9494f44ae/82d199934ee94ff5a8a4ffe1f5df283c/FLAGffed0bb5b
[2021-11-13 18:45:04,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/data/9494f44ae/82d199934ee94ff5a8a4ffe1f5df283c
[2021-11-13 18:45:04,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:45:04,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:45:04,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:45:04,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:45:04,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:45:04,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:45:04" (1/1) ...
[2021-11-13 18:45:04,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55227c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:04, skipping insertion in model container
[2021-11-13 18:45:04,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:45:04" (1/1) ...
[2021-11-13 18:45:04,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:45:04,711 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:45:04,943 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_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/sv-benchmarks/c/array-fpi/s42iff.c[589,602]
[2021-11-13 18:45:04,967 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:45:04,976 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:45:04,991 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_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/sv-benchmarks/c/array-fpi/s42iff.c[589,602]
[2021-11-13 18:45:05,003 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:45:05,019 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:45:05,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05 WrapperNode
[2021-11-13 18:45:05,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:45:05,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:45:05,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:45:05,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:45:05,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:45:05,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:45:05,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:45:05,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:45:05,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:45:05,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:45:05,104 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:45:05,105 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:45:05,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (1/1) ...
[2021-11-13 18:45:05,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:45:05,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:45:05,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:45:05,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:45:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:45:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:45:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:45:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:45:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:45:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:45:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:45:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:45:05,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:45:05,512 INFO L299 CfgBuilder]: Removed 3 assume(true) statements.
[2021-11-13 18:45:05,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:45:05 BoogieIcfgContainer
[2021-11-13 18:45:05,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:45:05,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:45:05,517 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:45:05,521 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:45:05,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:45:04" (1/3) ...
[2021-11-13 18:45:05,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c0b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:45:05, skipping insertion in model container
[2021-11-13 18:45:05,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:45:05" (2/3) ...
[2021-11-13 18:45:05,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c0b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:45:05, skipping insertion in model container
[2021-11-13 18:45:05,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:45:05" (3/3) ...
[2021-11-13 18:45:05,525 INFO L111 eAbstractionObserver]: Analyzing ICFG s42iff.c
[2021-11-13 18:45:05,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:45:05,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:45:05,591 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:45:05,600 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 18:45:05,601 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:45:05,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 18:45:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-13 18:45:05,626 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:45:05,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:45:05,628 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:45:05,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:45:05,635 INFO L85 PathProgramCache]: Analyzing trace with hash -845308063, now seen corresponding path program 1 times
[2021-11-13 18:45:05,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:45:05,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534395887]
[2021-11-13 18:45:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:45:05,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:45:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:45:05,927 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 18:45:05,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:45:05,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534395887]
[2021-11-13 18:45:05,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534395887] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:45:05,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:45:05,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:45:05,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311764559]
[2021-11-13 18:45:05,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:45:05,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:45:05,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:45:05,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:45:05,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:45:05,994 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 18:45:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:45:06,016 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions.
[2021-11-13 18:45:06,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:45:06,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13
[2021-11-13 18:45:06,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:45:06,031 INFO L225 Difference]: With dead ends: 42
[2021-11-13 18:45:06,031 INFO L226 Difference]: Without dead ends: 19
[2021-11-13 18:45:06,036 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 18:45:06,046 INFO L933 BasicCegarLoop]: 28 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, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:45:06,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.95ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:45:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-11-13 18:45:06,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-11-13 18:45:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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 18:45:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions.
[2021-11-13 18:45:06,099 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 13
[2021-11-13 18:45:06,099 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:45:06,099 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions.
[2021-11-13 18:45:06,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 18:45:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions.
[2021-11-13 18:45:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-13 18:45:06,101 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:45:06,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:45:06,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:45:06,103 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:45:06,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:45:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1238662774, now seen corresponding path program 1 times
[2021-11-13 18:45:06,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:45:06,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490380270]
[2021-11-13 18:45:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:45:06,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:45:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:45:06,310 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 18:45:06,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:45:06,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490380270]
[2021-11-13 18:45:06,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490380270] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:45:06,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:45:06,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:45:06,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571776176]
[2021-11-13 18:45:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:45:06,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:45:06,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:45:06,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:45:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:45:06,316 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 18:45:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:45:06,440 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions.
[2021-11-13 18:45:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:45:06,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13
[2021-11-13 18:45:06,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:45:06,444 INFO L225 Difference]: With dead ends: 39
[2021-11-13 18:45:06,444 INFO L226 Difference]: Without dead ends: 27
[2021-11-13 18:45:06,450 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 18:45:06,453 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 33 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.55ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.92ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:45:06,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 11 Invalid, 39 Unknown, 0 Unchecked, 7.55ms Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 91.92ms Time]
[2021-11-13 18:45:06,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2021-11-13 18:45:06,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22.
[2021-11-13 18:45:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 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 18:45:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2021-11-13 18:45:06,469 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13
[2021-11-13 18:45:06,469 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:45:06,469 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2021-11-13 18:45:06,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 18:45:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2021-11-13 18:45:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-13 18:45:06,471 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:45:06,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:45:06,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:45:06,472 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:45:06,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:45:06,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1944018757, now seen corresponding path program 1 times
[2021-11-13 18:45:06,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:45:06,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408699205]
[2021-11-13 18:45:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:45:06,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:45:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:45:06,603 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:45:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:45:06,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:45:06,741 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:45:06,743 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:45:06,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:45:06,759 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-11-13 18:45:06,771 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:45:06,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:45:06 BoogieIcfgContainer
[2021-11-13 18:45:06,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:45:06,834 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:45:06,835 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:45:06,835 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:45:06,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:45:05" (3/4) ...
[2021-11-13 18:45:06,837 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-11-13 18:45:06,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:45:06,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:45:06,916 INFO L158 Benchmark]: Toolchain (without parser) took 2237.02ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 61.8MB in the beginning and 81.6MB in the end (delta: -19.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,916 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:45:06,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.28ms. Allocated memory is still 96.5MB. Free memory was 61.6MB in the beginning and 72.0MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.98ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 70.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,924 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,925 INFO L158 Benchmark]: RCFGBuilder took 410.74ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 57.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,926 INFO L158 Benchmark]: TraceAbstraction took 1316.87ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 57.4MB in the beginning and 84.5MB in the end (delta: -27.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,926 INFO L158 Benchmark]: Witness Printer took 80.28ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 81.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:45:06,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 339.28ms. Allocated memory is still 96.5MB. Free memory was 61.6MB in the beginning and 72.0MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.98ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 70.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.90ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 410.74ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 57.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 1316.87ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 57.4MB in the beginning and 84.5MB in the end (delta: -27.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB.
* Witness Printer took 80.28ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 81.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. 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] sum[0] = 1
[L32] i=0
VAL [a={-1:0}, i=0, N=1, sum={3:0}]
[L32] COND TRUE i<N
[L34] a[i] = 1
VAL [a={-1:0}, i=0, N=1, sum={3:0}]
[L32] i++
VAL [a={-1:0}, i=1, N=1, sum={3:0}]
[L32] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={3:0}]
[L37] i=0
VAL [a={-1:0}, i=0, N=1, sum={3:0}]
[L37] COND TRUE i<N
[L39] EXPR a[i]
VAL [a={-1:0}, a[i]=1, i=0, N=1, sum={3:0}]
[L39] COND TRUE a[i] == 1
[L40] EXPR a[i]
[L40] a[i] = a[i] + 4
[L37] i++
VAL [a={-1:0}, i=1, N=1, sum={3:0}]
[L37] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={3:0}]
[L46] i=0
VAL [a={-1:0}, i=0, N=1, sum={3:0}]
[L46] COND TRUE i<N
[L48] EXPR a[i]
VAL [a={-1:0}, a[i]=5, i=0, N=1, sum={3:0}]
[L48] COND TRUE a[i] == 5
[L50] EXPR sum[0]
[L50] EXPR a[i]
[L50] sum[0] = sum[0] + a[i]
[L46] i++
VAL [a={-1:0}, i=1, N=1, sum={3:0}]
[L46] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={3:0}]
[L56] EXPR sum[0]
[L56] CALL __VERIFIER_assert(sum[0] == 5*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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 91.92ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 75.52ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 36 mSDtfsCounter, 32 mSolverCounterSat, 9.49ms 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=23occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 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 18:45:07,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdf0eb4-0e78-42bf-95fb-cdbc5cdff9de/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE