./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.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_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/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_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/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_2e2c4aab-4925-4aa4-81c0-3f71c9728568/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 33a8be774dbf0ffa25cd035ec8d49deb9466ec7f
.........................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:28:30,980 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:28:30,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:28:31,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:28:31,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:28:31,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:28:31,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:28:31,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:28:31,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:28:31,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:28:31,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:28:31,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:28:31,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:28:31,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:28:31,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:28:31,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:28:31,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:28:31,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:28:31,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:28:31,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:28:31,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:28:31,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:28:31,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:28:31,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:28:31,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:28:31,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:28:31,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:28:31,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:28:31,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:28:31,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:28:31,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:28:31,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:28:31,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:28:31,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:28:31,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:28:31,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:28:31,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:28:31,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:28:31,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:28:31,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:28:31,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:28:31,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:28:31,132 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:28:31,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:28:31,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:28:31,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:28:31,134 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:28:31,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:28:31,134 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:28:31,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:28:31,135 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:28:31,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:28:31,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:28:31,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:28:31,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:28:31,136 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:28:31,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:28:31,136 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:28:31,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:28:31,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:28:31,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:28:31,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:28:31,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:28:31,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:28:31,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:28:31,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:28:31,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:28:31,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:28:31,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:28:31,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:28:31,139 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_2e2c4aab-4925-4aa4-81c0-3f71c9728568/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33a8be774dbf0ffa25cd035ec8d49deb9466ec7f
[2021-10-11 00:28:31,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:28:31,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:28:31,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:28:31,441 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:28:31,442 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:28:31,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c
[2021-10-11 00:28:31,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/data/aa6609d95/2dabe435cdb84a77a11964559c097d93/FLAG61d724c64
[2021-10-11 00:28:31,942 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:28:31,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c
[2021-10-11 00:28:31,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/data/aa6609d95/2dabe435cdb84a77a11964559c097d93/FLAG61d724c64
[2021-10-11 00:28:31,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/data/aa6609d95/2dabe435cdb84a77a11964559c097d93
[2021-10-11 00:28:31,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:28:31,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:28:31,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:28:31,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:28:31,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:28:31,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:31" (1/1) ...
[2021-10-11 00:28:32,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23182f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:31, skipping insertion in model container
[2021-10-11 00:28:32,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:31" (1/1) ...
[2021-10-11 00:28:32,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:28:32,036 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:28:32,275 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_2e2c4aab-4925-4aa4-81c0-3f71c9728568/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c[573,586]
[2021-10-11 00:28:32,293 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:28:32,302 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:28:32,316 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_2e2c4aab-4925-4aa4-81c0-3f71c9728568/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c[573,586]
[2021-10-11 00:28:32,321 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:28:32,334 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:28:32,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32 WrapperNode
[2021-10-11 00:28:32,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:28:32,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:28:32,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:28:32,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:28:32,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:28:32,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:28:32,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:28:32,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:28:32,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
[2021-10-11 00:28:32,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:28:32,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:28:32,396 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:28:32,396 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:28:32,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/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 00:28:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:28:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:28:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:28:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:28:32,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:28:32,721 INFO L299 CfgBuilder]: Removed 13 assume(true) statements.
[2021-10-11 00:28:32,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:32 BoogieIcfgContainer
[2021-10-11 00:28:32,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:28:32,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:28:32,724 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:28:32,749 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:28:32,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:28:31" (1/3) ...
[2021-10-11 00:28:32,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b57188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:32, skipping insertion in model container
[2021-10-11 00:28:32,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:32" (2/3) ...
[2021-10-11 00:28:32,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b57188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:32, skipping insertion in model container
[2021-10-11 00:28:32,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:32" (3/3) ...
[2021-10-11 00:28:32,753 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound100.c
[2021-10-11 00:28:32,779 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:28:32,782 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-10-11 00:28:32,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-10-11 00:28:32,839 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:28:32,839 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:28:32,839 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:28:32,839 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:28:32,839 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:28:32,839 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:28:32,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:28:32,840 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:28:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states.
[2021-10-11 00:28:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-11 00:28:32,866 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:28:32,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:28:32,867 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:28:32,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:28:32,875 INFO L82 PathProgramCache]: Analyzing trace with hash -594062832, now seen corresponding path program 1 times
[2021-10-11 00:28:32,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:28:32,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149824440]
[2021-10-11 00:28:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:28:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:28:33,037 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 00:28:33,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149824440]
[2021-10-11 00:28:33,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:28:33,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:28:33,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186767992]
[2021-10-11 00:28:33,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-10-11 00:28:33,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:28:33,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-11 00:28:33,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-11 00:28:33,061 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states.
[2021-10-11 00:28:33,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:28:33,078 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions.
[2021-10-11 00:28:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-11 00:28:33,079 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9
[2021-10-11 00:28:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:28:33,087 INFO L225 Difference]: With dead ends: 37
[2021-10-11 00:28:33,088 INFO L226 Difference]: Without dead ends: 16
[2021-10-11 00:28:33,091 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 00:28:33,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2021-10-11 00:28:33,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2021-10-11 00:28:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-10-11 00:28:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2021-10-11 00:28:33,124 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 9
[2021-10-11 00:28:33,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:28:33,125 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2021-10-11 00:28:33,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2021-10-11 00:28:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2021-10-11 00:28:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-11 00:28:33,125 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:28:33,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:28:33,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:28:33,126 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:28:33,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:28:33,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1182791572, now seen corresponding path program 1 times
[2021-10-11 00:28:33,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:28:33,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740469815]
[2021-10-11 00:28:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:28:33,148 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-10-11 00:28:33,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429933291]
[2021-10-11 00:28:33,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/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 00:28:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:28:33,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-10-11 00:28:33,296 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:28:33,510 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 00:28:33,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740469815]
[2021-10-11 00:28:33,511 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-10-11 00:28:33,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429933291]
[2021-10-11 00:28:33,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:28:33,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-10-11 00:28:33,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407304782]
[2021-10-11 00:28:33,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-10-11 00:28:33,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:28:33,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-11 00:28:33,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2021-10-11 00:28:33,518 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 8 states.
[2021-10-11 00:28:33,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:28:33,820 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions.
[2021-10-11 00:28:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-10-11 00:28:33,820 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9
[2021-10-11 00:28:33,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:28:33,822 INFO L225 Difference]: With dead ends: 27
[2021-10-11 00:28:33,822 INFO L226 Difference]: Without dead ends: 25
[2021-10-11 00:28:33,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156
[2021-10-11 00:28:33,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2021-10-11 00:28:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18.
[2021-10-11 00:28:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-10-11 00:28:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions.
[2021-10-11 00:28:33,836 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 9
[2021-10-11 00:28:33,836 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:28:33,836 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions.
[2021-10-11 00:28:33,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2021-10-11 00:28:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions.
[2021-10-11 00:28:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:28:33,837 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:28:33,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:28:34,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2021-10-11 00:28:34,053 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:28:34,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:28:34,054 INFO L82 PathProgramCache]: Analyzing trace with hash 636930749, now seen corresponding path program 1 times
[2021-10-11 00:28:34,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:28:34,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070341600]
[2021-10-11 00:28:34,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:28:34,080 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-10-11 00:28:34,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132326161]
[2021-10-11 00:28:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:28:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:28:34,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core
[2021-10-11 00:28:34,145 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:28:34,298 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 00:28:34,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070341600]
[2021-10-11 00:28:34,299 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-10-11 00:28:34,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132326161]
[2021-10-11 00:28:34,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:28:34,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-10-11 00:28:34,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005087185]
[2021-10-11 00:28:34,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-10-11 00:28:34,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:28:34,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-11 00:28:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-10-11 00:28:34,313 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 9 states.
[2021-10-11 00:28:34,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:28:34,477 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions.
[2021-10-11 00:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-10-11 00:28:34,478 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12
[2021-10-11 00:28:34,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:28:34,479 INFO L225 Difference]: With dead ends: 18
[2021-10-11 00:28:34,479 INFO L226 Difference]: Without dead ends: 0
[2021-10-11 00:28:34,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2021-10-11 00:28:34,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:28:34,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:28:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:28:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:28:34,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2021-10-11 00:28:34,482 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:28:34,482 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:28:34,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2021-10-11 00:28:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:28:34,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:28:34,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:28:34,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:28:34,841 INFO L262 CegarLoopResult]: For program point L35-2(lines 35 48) no Hoare annotation was computed.
[2021-10-11 00:28:34,842 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed.
[2021-10-11 00:28:34,842 INFO L262 CegarLoopResult]: For program point L40(lines 40 47) no Hoare annotation was computed.
[2021-10-11 00:28:34,843 INFO L258 CegarLoopResult]: At program point L40-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_main_~x2~0 0))) (.cse1 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse2 (<= 0 ULTIMATE.start_main_~x1~0)) (.cse3 (= ULTIMATE.start_main_~x1~0 (+ ULTIMATE.start_main_~y2~0 ULTIMATE.start_main_~y3~0 (* ULTIMATE.start_main_~y1~0 ULTIMATE.start_main_~x2~0))))) (or (and .cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 .cse2 .cse3 (<= ULTIMATE.start_main_~y3~0 ULTIMATE.start_main_~x1~0)) (and .cse0 (= ULTIMATE.start_main_~x1~0 ULTIMATE.start_main_~y3~0) .cse1 .cse2 (= ULTIMATE.start_main_~y2~0 0) .cse3)))
[2021-10-11 00:28:34,843 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-11 00:28:34,843 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-11 00:28:34,844 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-11 00:28:34,844 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed.
[2021-10-11 00:28:34,844 INFO L262 CegarLoopResult]: For program point L16(lines 16 19) no Hoare annotation was computed.
[2021-10-11 00:28:34,844 INFO L258 CegarLoopResult]: At program point L16-2(line 38) the Hoare annotation is: (and (not (= ULTIMATE.start_main_~x2~0 0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 0 ULTIMATE.start_main_~x1~0) (= ULTIMATE.start_main_~x1~0 (+ ULTIMATE.start_main_~y2~0 ULTIMATE.start_main_~y3~0 (* ULTIMATE.start_main_~y1~0 ULTIMATE.start_main_~x2~0))) (<= ULTIMATE.start_main_~y3~0 ULTIMATE.start_main_~x1~0))
[2021-10-11 00:28:34,844 INFO L262 CegarLoopResult]: For program point L16-3(lines 16 19) no Hoare annotation was computed.
[2021-10-11 00:28:34,844 INFO L262 CegarLoopResult]: For program point L12(lines 12 14) no Hoare annotation was computed.
[2021-10-11 00:28:34,845 INFO L262 CegarLoopResult]: For program point L12-1(lines 12 14) no Hoare annotation was computed.
[2021-10-11 00:28:34,845 INFO L265 CegarLoopResult]: At program point L16-5(lines 15 21) the Hoare annotation is: true
[2021-10-11 00:28:34,845 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-11 00:28:34,845 INFO L265 CegarLoopResult]: At program point L50(lines 22 51) the Hoare annotation is: true
[2021-10-11 00:28:34,845 INFO L262 CegarLoopResult]: For program point L17(lines 17 18) no Hoare annotation was computed.
[2021-10-11 00:28:34,845 INFO L262 CegarLoopResult]: For program point L17-1(lines 17 18) no Hoare annotation was computed.
[2021-10-11 00:28:34,845 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2021-10-11 00:28:34,846 INFO L262 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2021-10-11 00:28:34,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:34 BoogieIcfgContainer
[2021-10-11 00:28:34,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:28:34,872 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:28:34,873 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:28:34,873 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:28:34,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:32" (3/4) ...
[2021-10-11 00:28:34,876 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:28:34,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-10-11 00:28:34,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:28:34,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:28:34,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:28:34,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2c4aab-4925-4aa4-81c0-3f71c9728568/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:28:34,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:28:34,948 INFO L168 Benchmark]: Toolchain (without parser) took 2958.03 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 73.8 MB in the beginning and 116.4 MB in the end (delta: -42.6 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,949 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.29 ms. Allocated memory is still 111.1 MB. Free memory was 73.7 MB in the beginning and 87.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 111.1 MB. Free memory was 87.0 MB in the beginning and 85.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,958 INFO L168 Benchmark]: Boogie Preprocessor took 22.22 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 84.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,959 INFO L168 Benchmark]: RCFGBuilder took 326.92 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 71.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,960 INFO L168 Benchmark]: TraceAbstraction took 2147.82 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 70.7 MB in the beginning and 119.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,960 INFO L168 Benchmark]: Witness Printer took 74.56 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 116.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:28:34,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 343.29 ms. Allocated memory is still 111.1 MB. Free memory was 73.7 MB in the beginning and 87.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 111.1 MB. Free memory was 87.0 MB in the beginning and 85.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 22.22 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 84.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 326.92 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 71.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 2147.82 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 70.7 MB in the beginning and 119.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB.
* Witness Printer took 74.56 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 116.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
- InvariantResult [Line: 15]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 35]: Loop Invariant
Derived loop invariant: (((((!(x2 == 0) && 1 == cond) && cond == 1) && 0 <= x1) && x1 == y2 + y3 + y1 * x2) && y3 <= x1) || (((((!(x2 == 0) && x1 == y3) && cond == 1) && 0 <= x1) && y2 == 0) && x1 == y2 + y3 + y1 * x2)
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 38]: Loop Invariant
Derived loop invariant: ((((!(x2 == 0) && 1 == cond) && cond == 1) && 0 <= x1) && x1 == y2 + y3 + y1 * x2) && y3 <= x1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 85 SDslu, 27 SDs, 0 SdLazy, 76 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 78 HoareAnnotationTreeSize, 4 FomulaSimplifications, 47 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 1653 SizeOfPredicates, 20 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 correct!
Received shutdown request...