./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-1.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_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/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_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/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_d38c13e6-cc66-4c14-bc88-5bff25b7766d/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 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:47:56,451 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:47:56,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:47:56,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:47:56,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:47:56,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:47:56,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:47:56,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:47:56,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:47:56,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:47:56,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:47:56,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:47:56,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:47:56,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:47:56,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:47:56,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:47:56,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:47:56,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:47:56,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:47:56,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:47:56,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:47:56,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:47:56,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:47:56,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:47:56,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:47:56,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:47:56,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:47:56,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:47:56,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:47:56,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:47:56,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:47:56,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:47:56,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:47:56,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:47:56,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:47:56,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:47:56,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:47:56,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:47:56,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:47:56,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:47:56,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:47:56,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:47:56,632 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:47:56,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:47:56,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:47:56,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:47:56,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:47:56,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:47:56,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:47:56,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:47:56,637 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:47:56,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:47:56,638 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:47:56,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:47:56,639 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:47:56,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:47:56,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:47:56,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:47:56,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:47:56,640 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:47:56,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:47:56,641 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:47:56,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:47:56,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:47:56,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:47:56,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:47:56,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:47:56,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:47:56,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:47:56,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:47:56,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:47:56,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:47:56,645 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:47:56,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:47:56,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:47:56,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:47:56,646 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_d38c13e6-cc66-4c14-bc88-5bff25b7766d/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152
[2021-11-13 18:47:56,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:47:57,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:47:57,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:47:57,008 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:47:57,009 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:47:57,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loops/array-1.c
[2021-11-13 18:47:57,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/data/02f8d4759/e680879a198c4e72803e8dcfff67d5c8/FLAG3be9f1beb
[2021-11-13 18:47:57,608 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:47:57,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/sv-benchmarks/c/loops/array-1.c
[2021-11-13 18:47:57,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/data/02f8d4759/e680879a198c4e72803e8dcfff67d5c8/FLAG3be9f1beb
[2021-11-13 18:47:58,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/data/02f8d4759/e680879a198c4e72803e8dcfff67d5c8
[2021-11-13 18:47:58,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:47:58,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:47:58,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:47:58,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:47:58,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:47:58,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2239f13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58, skipping insertion in model container
[2021-11-13 18:47:58,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:47:58,067 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:47:58,217 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_d38c13e6-cc66-4c14-bc88-5bff25b7766d/sv-benchmarks/c/loops/array-1.c[319,332]
[2021-11-13 18:47:58,231 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:47:58,238 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:47:58,250 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_d38c13e6-cc66-4c14-bc88-5bff25b7766d/sv-benchmarks/c/loops/array-1.c[319,332]
[2021-11-13 18:47:58,256 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:47:58,270 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:47:58,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58 WrapperNode
[2021-11-13 18:47:58,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:47:58,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:47:58,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:47:58,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:47:58,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:47:58,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:47:58,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:47:58,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:47:58,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:47:58,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:47:58,335 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:47:58,335 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:47:58,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (1/1) ...
[2021-11-13 18:47:58,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:47:58,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:47:58,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:47:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:47:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:47:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:47:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:47:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:47:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:47:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:47:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:47:58,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:47:58,639 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:47:58,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:47:58 BoogieIcfgContainer
[2021-11-13 18:47:58,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:47:58,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:47:58,652 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:47:58,657 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:47:58,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:47:58" (1/3) ...
[2021-11-13 18:47:58,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189dddd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:47:58, skipping insertion in model container
[2021-11-13 18:47:58,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:47:58" (2/3) ...
[2021-11-13 18:47:58,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189dddd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:47:58, skipping insertion in model container
[2021-11-13 18:47:58,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:47:58" (3/3) ...
[2021-11-13 18:47:58,660 INFO L111 eAbstractionObserver]: Analyzing ICFG array-1.c
[2021-11-13 18:47:58,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:47:58,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:47:58,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:47:58,750 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 18:47:58,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:47:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:47:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-13 18:47:58,781 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:47:58,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:47:58,783 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:47:58,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:47:58,797 INFO L85 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times
[2021-11-13 18:47:58,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:47:58,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319702918]
[2021-11-13 18:47:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:47:58,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:47:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:47:58,969 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 18:47:58,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:47:58,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319702918]
[2021-11-13 18:47:58,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319702918] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:47:58,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:47:58,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:47:58,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922419994]
[2021-11-13 18:47:58,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:47:58,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:47:58,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:47:59,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:47:59,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:47:59,021 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:47:59,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:47:59,036 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions.
[2021-11-13 18:47:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:47:59,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-11-13 18:47:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:47:59,049 INFO L225 Difference]: With dead ends: 21
[2021-11-13 18:47:59,050 INFO L226 Difference]: Without dead ends: 9
[2021-11-13 18:47:59,053 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 18:47:59,059 INFO L933 BasicCegarLoop]: 14 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, 14 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:47:59,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:47:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2021-11-13 18:47:59,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2021-11-13 18:47:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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 18:47:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions.
[2021-11-13 18:47:59,113 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6
[2021-11-13 18:47:59,113 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:47:59,113 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions.
[2021-11-13 18:47:59,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:47:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions.
[2021-11-13 18:47:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-13 18:47:59,114 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:47:59,115 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:47:59,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:47:59,116 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:47:59,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:47:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times
[2021-11-13 18:47:59,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:47:59,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209437827]
[2021-11-13 18:47:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:47:59,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:47:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:47:59,341 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 18:47:59,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:47:59,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209437827]
[2021-11-13 18:47:59,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209437827] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:47:59,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:47:59,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:47:59,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655182107]
[2021-11-13 18:47:59,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:47:59,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:47:59,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:47:59,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:47:59,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:47:59,346 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:47:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:47:59,405 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions.
[2021-11-13 18:47:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:47:59,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-11-13 18:47:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:47:59,407 INFO L225 Difference]: With dead ends: 16
[2021-11-13 18:47:59,407 INFO L226 Difference]: Without dead ends: 12
[2021-11-13 18:47:59,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:47:59,409 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.21ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:47:59,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 54.21ms Time]
[2021-11-13 18:47:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2021-11-13 18:47:59,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10.
[2021-11-13 18:47:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 18:47:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions.
[2021-11-13 18:47:59,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6
[2021-11-13 18:47:59,414 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:47:59,414 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions.
[2021-11-13 18:47:59,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:47:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions.
[2021-11-13 18:47:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-11-13 18:47:59,416 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:47:59,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:47:59,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:47:59,417 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:47:59,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:47:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times
[2021-11-13 18:47:59,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:47:59,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163320201]
[2021-11-13 18:47:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:47:59,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:47:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:00,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:00,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163320201]
[2021-11-13 18:48:00,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163320201] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:00,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:00,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-13 18:48:00,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866017236]
[2021-11-13 18:48:00,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:00,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:48:00,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:48:00,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:48:00,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:48:00,470 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:48:00,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:48:00,542 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions.
[2021-11-13 18:48:00,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:48:00,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2021-11-13 18:48:00,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:48:00,544 INFO L225 Difference]: With dead ends: 16
[2021-11-13 18:48:00,544 INFO L226 Difference]: Without dead ends: 12
[2021-11-13 18:48:00,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:48:00,552 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 13 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.34ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.57ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:48:00,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 35 Unknown, 0 Unchecked, 4.34ms Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 42.57ms Time]
[2021-11-13 18:48:00,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2021-11-13 18:48:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2021-11-13 18:48:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 18:48:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions.
[2021-11-13 18:48:00,563 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9
[2021-11-13 18:48:00,564 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:48:00,564 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions.
[2021-11-13 18:48:00,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:48:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions.
[2021-11-13 18:48:00,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-11-13 18:48:00,565 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:48:00,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:00,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:48:00,566 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:48:00,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash -275361512, now seen corresponding path program 1 times
[2021-11-13 18:48:00,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:00,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836866258]
[2021-11-13 18:48:00,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:00,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:01,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:01,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836866258]
[2021-11-13 18:48:01,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836866258] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:48:01,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823981514]
[2021-11-13 18:48:01,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:01,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:48:01,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:01,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:48:01,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:48:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:01,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjunts are in the unsatisfiable core
[2021-11-13 18:48:01,283 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:48:01,398 WARN L234 Elim1Store]: Array PQE input equivalent to false
[2021-11-13 18:48:01,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13
[2021-11-13 18:48:01,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27
[2021-11-13 18:48:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:01,634 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:48:01,878 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:48:01,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 100
[2021-11-13 18:48:01,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15
[2021-11-13 18:48:01,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14
[2021-11-13 18:48:01,977 INFO L354 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size
[2021-11-13 18:48:01,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32
[2021-11-13 18:48:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:02,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823981514] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:48:02,026 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:48:02,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18
[2021-11-13 18:48:02,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996430407]
[2021-11-13 18:48:02,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:48:02,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2021-11-13 18:48:02,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:48:02,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2021-11-13 18:48:02,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306
[2021-11-13 18:48:02,033 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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 18:48:02,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:48:02,318 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions.
[2021-11-13 18:48:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-11-13 18:48:02,318 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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 9
[2021-11-13 18:48:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:48:02,319 INFO L225 Difference]: With dead ends: 25
[2021-11-13 18:48:02,319 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:48:02,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702
[2021-11-13 18:48:02,320 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.26ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.18ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:48:02,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 8 Invalid, 106 Unknown, 0 Unchecked, 3.26ms Time], IncrementalHoareTripleChecker [23 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 106.18ms Time]
[2021-11-13 18:48:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:48:02,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:48:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 18:48:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:48:02,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9
[2021-11-13 18:48:02,322 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:48:02,323 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:48:02,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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 18:48:02,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:48:02,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:48:02,325 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:48:02,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:02,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:48:02,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:48:02,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:48:02,593 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 26) no Hoare annotation was computed.
[2021-11-13 18:48:02,594 INFO L854 garLoopResultBuilder]: At program point L21-3(lines 21 26) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) (.cse1 (= |ULTIMATE.start_main_~SIZE~0#1| 1))) (or (and (<= |ULTIMATE.start_main_~menor~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) |ULTIMATE.start_main_~#array~0#1.offset|)) .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_main_~j~0#1| 0) .cse1)))
[2021-11-13 18:48:02,594 INFO L858 garLoopResultBuilder]: For program point L21-4(lines 21 26) no Hoare annotation was computed.
[2021-11-13 18:48:02,594 INFO L858 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed.
[2021-11-13 18:48:02,594 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:48:02,594 INFO L861 garLoopResultBuilder]: At program point L30(lines 13 31) the Hoare annotation is: true
[2021-11-13 18:48:02,594 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:48:02,594 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:48:02,595 INFO L858 garLoopResultBuilder]: For program point L24(lines 24 25) no Hoare annotation was computed.
[2021-11-13 18:48:02,595 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed.
[2021-11-13 18:48:02,595 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed.
[2021-11-13 18:48:02,595 INFO L861 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: true
[2021-11-13 18:48:02,598 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2021-11-13 18:48:02,600 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:48:02,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:48:02 BoogieIcfgContainer
[2021-11-13 18:48:02,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:48:02,615 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:48:02,615 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:48:02,615 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:48:02,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:47:58" (3/4) ...
[2021-11-13 18:48:02,618 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:48:02,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 18:48:02,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 18:48:02,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:48:02,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:48:02,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:48:02,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:48:02,658 INFO L158 Benchmark]: Toolchain (without parser) took 4633.85ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.8MB in the beginning and 80.4MB in the end (delta: -9.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB.
[2021-11-13 18:48:02,659 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:48:02,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.08ms. Allocated memory is still 102.8MB. Free memory was 70.8MB in the beginning and 77.2MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:48:02,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.08ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:48:02,660 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 74.6MB in the end (delta: 878.6kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:48:02,660 INFO L158 Benchmark]: RCFGBuilder took 306.04ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 64.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:48:02,661 INFO L158 Benchmark]: TraceAbstraction took 3962.24ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 83.6MB in the end (delta: -19.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
[2021-11-13 18:48:02,661 INFO L158 Benchmark]: Witness Printer took 43.28ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 80.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:48:02,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 232.08ms. Allocated memory is still 102.8MB. Free memory was 70.8MB in the beginning and 77.2MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.08ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.61ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 74.6MB in the end (delta: 878.6kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 306.04ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 64.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 3962.24ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 83.6MB in the end (delta: -19.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
* Witness Printer took 43.28ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 80.4MB in the end (delta: 3.1MB). 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
- PositiveResult [Line: 7]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 202.95ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 171.60ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 28 mSDtfsCounter, 118 mSolverCounterSat, 9.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 113 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 13 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1/4 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: ((menor <= unknown-#memory_int-unknown[array][array] && array == 0) && SIZE == 1) || ((array == 0 && j == 0) && SIZE == 1)
- InvariantResult [Line: 5]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:48:02,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38c13e6-cc66-4c14-bc88-5bff25b7766d/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
Result:
TRUE