./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm-iff.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm-iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC --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 4e11665f1fb34385e5a13a8ae204131e2123894d
...........................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:22:01,539 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:22:01,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:22:01,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:22:01,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:22:01,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:22:01,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:22:01,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:22:01,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:22:01,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:22:01,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:22:01,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:22:01,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:22:01,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:22:01,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:22:01,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:22:01,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:22:01,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:22:01,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:22:01,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:22:01,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:22:01,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:22:01,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:22:01,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:22:01,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:22:01,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:22:01,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:22:01,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:22:01,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:22:01,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:22:01,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:22:01,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:22:01,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:22:01,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:22:01,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:22:01,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:22:01,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:22:01,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:22:01,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:22:01,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:22:01,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:22:01,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:22:01,682 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:22:01,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:22:01,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:22:01,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:22:01,685 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:22:01,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:22:01,686 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:22:01,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:22:01,686 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:22:01,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:22:01,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:22:01,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:22:01,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:22:01,691 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:22:01,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:22:01,691 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:22:01,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:22:01,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:22:01,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:22:01,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:22:01,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:22:01,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:22:01,693 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_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e11665f1fb34385e5a13a8ae204131e2123894d
[2021-10-11 00:22:01,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:22:01,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:22:01,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:22:01,957 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:22:01,958 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:22:01,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/array-fpi/nsqm-iff.c
[2021-10-11 00:22:02,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/data/6869a408c/61f995ac1cae4e728805a7285de940ba/FLAGf7f333805
[2021-10-11 00:22:02,543 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:22:02,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/sv-benchmarks/c/array-fpi/nsqm-iff.c
[2021-10-11 00:22:02,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/data/6869a408c/61f995ac1cae4e728805a7285de940ba/FLAGf7f333805
[2021-10-11 00:22:02,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/data/6869a408c/61f995ac1cae4e728805a7285de940ba
[2021-10-11 00:22:02,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:22:02,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:22:02,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:22:02,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:22:02,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:22:02,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:02" (1/1) ...
[2021-10-11 00:22:02,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8d9487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:02, skipping insertion in model container
[2021-10-11 00:22:02,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:02" (1/1) ...
[2021-10-11 00:22:02,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:22:02,986 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:22:03,248 WARN L226 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_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/sv-benchmarks/c/array-fpi/nsqm-iff.c[591,604]
[2021-10-11 00:22:03,278 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:22:03,289 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:22:03,306 WARN L226 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_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/sv-benchmarks/c/array-fpi/nsqm-iff.c[591,604]
[2021-10-11 00:22:03,323 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:22:03,343 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:22:03,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03 WrapperNode
[2021-10-11 00:22:03,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:22:03,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:22:03,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:22:03,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:22:03,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:22:03,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:22:03,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:22:03,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:22:03,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
[2021-10-11 00:22:03,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:22:03,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:22:03,464 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:22:03,465 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:22:03,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:22:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:22:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:22:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:22:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-11 00:22:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:22:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:22:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-10-11 00:22:03,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:22:03,959 INFO L299 CfgBuilder]: Removed 11 assume(true) statements.
[2021-10-11 00:22:03,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:03 BoogieIcfgContainer
[2021-10-11 00:22:03,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:22:03,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:22:03,978 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:22:03,982 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:22:03,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:02" (1/3) ...
[2021-10-11 00:22:03,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609bcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:03, skipping insertion in model container
[2021-10-11 00:22:03,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:03" (2/3) ...
[2021-10-11 00:22:03,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609bcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:03, skipping insertion in model container
[2021-10-11 00:22:03,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:03" (3/3) ...
[2021-10-11 00:22:03,986 INFO L111 eAbstractionObserver]: Analyzing ICFG nsqm-iff.c
[2021-10-11 00:22:04,000 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:22:04,004 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:22:04,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-11 00:22:04,039 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:22:04,040 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:22:04,040 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:22:04,040 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:22:04,040 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:22:04,041 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:22:04,041 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:22:04,041 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:22:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states.
[2021-10-11 00:22:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:22:04,061 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:22:04,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:22:04,062 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:22:04,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:22:04,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times
[2021-10-11 00:22:04,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:22:04,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991675923]
[2021-10-11 00:22:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:22:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:22:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:22:04,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991675923]
[2021-10-11 00:22:04,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:22:04,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:22:04,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316550490]
[2021-10-11 00:22:04,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-10-11 00:22:04,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:22:04,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-11 00:22:04,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-11 00:22:04,313 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states.
[2021-10-11 00:22:04,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:22:04,331 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions.
[2021-10-11 00:22:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-11 00:22:04,333 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12
[2021-10-11 00:22:04,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:22:04,343 INFO L225 Difference]: With dead ends: 42
[2021-10-11 00:22:04,344 INFO L226 Difference]: Without dead ends: 19
[2021-10-11 00:22:04,348 INFO L677 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
[2021-10-11 00:22:04,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-10-11 00:22:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-10-11 00:22:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states.
[2021-10-11 00:22:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions.
[2021-10-11 00:22:04,378 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12
[2021-10-11 00:22:04,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:22:04,379 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions.
[2021-10-11 00:22:04,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2021-10-11 00:22:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions.
[2021-10-11 00:22:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:22:04,383 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:22:04,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:22:04,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:22:04,384 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:22:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:22:04,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times
[2021-10-11 00:22:04,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:22:04,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559417247]
[2021-10-11 00:22:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:22:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:22:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:22:04,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559417247]
[2021-10-11 00:22:04,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:22:04,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:22:04,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850504892]
[2021-10-11 00:22:04,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:22:04,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:22:04,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:22:04,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:22:04,568 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 4 states.
[2021-10-11 00:22:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:22:04,651 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions.
[2021-10-11 00:22:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:22:04,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2021-10-11 00:22:04,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:22:04,653 INFO L225 Difference]: With dead ends: 45
[2021-10-11 00:22:04,653 INFO L226 Difference]: Without dead ends: 31
[2021-10-11 00:22:04,655 INFO L677 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
[2021-10-11 00:22:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2021-10-11 00:22:04,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23.
[2021-10-11 00:22:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states.
[2021-10-11 00:22:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2021-10-11 00:22:04,661 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12
[2021-10-11 00:22:04,661 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:22:04,662 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2021-10-11 00:22:04,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:22:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2021-10-11 00:22:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-11 00:22:04,663 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:22:04,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:22:04,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:22:04,664 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:22:04,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:22:04,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times
[2021-10-11 00:22:04,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:22:04,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672557408]
[2021-10-11 00:22:04,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:22:04,687 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-10-11 00:22:04,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908837242]
[2021-10-11 00:22:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:22:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:22:04,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:22:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:22:04,803 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:22:04,861 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:22:04,861 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:22:05,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2021-10-11 00:22:05,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:05 BoogieIcfgContainer
[2021-10-11 00:22:05,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:22:05,143 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:22:05,144 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:22:05,144 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:22:05,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:03" (3/4) ...
[2021-10-11 00:22:05,148 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:22:05,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613c6599-7f6c-40e6-b2cc-ed1148a3bb9b/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:22:05,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:22:05,201 INFO L168 Benchmark]: Toolchain (without parser) took 2256.67 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 52.4 MB in the beginning and 78.7 MB in the end (delta: -26.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,201 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.08 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 52.3 MB in the beginning and 104.8 MB in the end (delta: -52.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.04 ms. Allocated memory is still 130.0 MB. Free memory was 104.8 MB in the beginning and 103.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,204 INFO L168 Benchmark]: Boogie Preprocessor took 59.67 ms. Allocated memory is still 130.0 MB. Free memory was 103.1 MB in the beginning and 101.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,204 INFO L168 Benchmark]: RCFGBuilder took 497.64 ms. Allocated memory is still 130.0 MB. Free memory was 101.9 MB in the beginning and 86.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,205 INFO L168 Benchmark]: TraceAbstraction took 1164.61 ms. Allocated memory is still 130.0 MB. Free memory was 86.3 MB in the beginning and 81.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,206 INFO L168 Benchmark]: Witness Printer took 55.80 ms. Allocated memory is still 130.0 MB. Free memory was 81.6 MB in the beginning and 78.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:22:05,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 397.08 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 52.3 MB in the beginning and 104.8 MB in the end (delta: -52.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 57.04 ms. Allocated memory is still 130.0 MB. Free memory was 104.8 MB in the beginning and 103.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 59.67 ms. Allocated memory is still 130.0 MB. Free memory was 103.1 MB in the beginning and 101.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 497.64 ms. Allocated memory is still 130.0 MB. Free memory was 101.9 MB in the beginning and 86.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 1164.61 ms. Allocated memory is still 130.0 MB. Free memory was 86.3 MB in the beginning and 81.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB.
* Witness Printer took 55.80 ms. Allocated memory is still 130.0 MB. Free memory was 81.6 MB in the beginning and 78.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- 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)
[L13] COND FALSE !(!cond)
VAL [N=1]
[L27] int i;
[L28] long long *a = malloc(sizeof(long long)*N);
[L29] long long *b = malloc(sizeof(long long)*N);
[L31] i=0
VAL [N=1]
[L31] COND TRUE i<N
VAL [N=1]
[L33] COND TRUE i==0
[L34] b[0] = 1
VAL [N=1]
[L31] i++
VAL [N=1]
[L31] COND FALSE !(i<N)
VAL [N=1]
[L40] i=0
VAL [N=1]
[L40] COND TRUE i<N
VAL [N=1]
[L42] COND TRUE i==0
[L43] a[0] = N + 1
VAL [N=1]
[L40] i++
VAL [N=1]
[L40] COND FALSE !(i<N)
VAL [N=1]
[L49] i=0
VAL [N=1]
[L49] COND TRUE i<N
[L51] a[i]
[L15] COND TRUE !(cond)
VAL [N=1]
[L15] reach_error()
VAL [N=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 37 SDslu, 5 SDs, 0 SdLazy, 24 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 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!
Received shutdown request...