./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/McCarthy91-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 8d31f386
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive/McCarthy91-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e87f89409ab3e763661ad617b0dadcb988e72d1
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38
[2021-07-06 15:32:55,127 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-07-06 15:32:55,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-07-06 15:32:55,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-07-06 15:32:55,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-07-06 15:32:55,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-07-06 15:32:55,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-07-06 15:32:55,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-07-06 15:32:55,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-07-06 15:32:55,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-07-06 15:32:55,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-07-06 15:32:55,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-07-06 15:32:55,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-07-06 15:32:55,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-07-06 15:32:55,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-07-06 15:32:55,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-07-06 15:32:55,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-07-06 15:32:55,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-07-06 15:32:55,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-07-06 15:32:55,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-07-06 15:32:55,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-07-06 15:32:55,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-07-06 15:32:55,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-07-06 15:32:55,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-07-06 15:32:55,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-07-06 15:32:55,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-07-06 15:32:55,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-07-06 15:32:55,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-07-06 15:32:55,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-07-06 15:32:55,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-07-06 15:32:55,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-07-06 15:32:55,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-07-06 15:32:55,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-07-06 15:32:55,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-07-06 15:32:55,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-07-06 15:32:55,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-07-06 15:32:55,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-07-06 15:32:55,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-07-06 15:32:55,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-07-06 15:32:55,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-07-06 15:32:55,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-07-06 15:32:55,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-07-06 15:32:55,257 INFO L113 SettingsManager]: Loading preferences was successful
[2021-07-06 15:32:55,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-07-06 15:32:55,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-07-06 15:32:55,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-07-06 15:32:55,260 INFO L138 SettingsManager]: * Use SBE=true
[2021-07-06 15:32:55,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-07-06 15:32:55,261 INFO L138 SettingsManager]: * sizeof long=4
[2021-07-06 15:32:55,261 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-07-06 15:32:55,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-07-06 15:32:55,262 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-07-06 15:32:55,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-07-06 15:32:55,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-07-06 15:32:55,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-07-06 15:32:55,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-07-06 15:32:55,263 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-07-06 15:32:55,263 INFO L138 SettingsManager]: * sizeof long double=12
[2021-07-06 15:32:55,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-07-06 15:32:55,264 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-07-06 15:32:55,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-07-06 15:32:55,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-07-06 15:32:55,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-07-06 15:32:55,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-07-06 15:32:55,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-07-06 15:32:55,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-07-06 15:32:55,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-07-06 15:32:55,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-07-06 15:32:55,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-07-06 15:32:55,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-07-06 15:32:55,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-07-06 15:32:55,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-07-06 15:32:55,267 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e87f89409ab3e763661ad617b0dadcb988e72d1
[2021-07-06 15:32:55,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-07-06 15:32:55,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-07-06 15:32:55,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-07-06 15:32:55,643 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-07-06 15:32:55,644 INFO L275 PluginConnector]: CDTParser initialized
[2021-07-06 15:32:55,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/McCarthy91-2.c
[2021-07-06 15:32:55,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6c0ffba/ffa12342961d418fb131da4eeaafa95b/FLAGb0af9dde5
[2021-07-06 15:32:56,077 INFO L306 CDTParser]: Found 1 translation units.
[2021-07-06 15:32:56,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/McCarthy91-2.c
[2021-07-06 15:32:56,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6c0ffba/ffa12342961d418fb131da4eeaafa95b/FLAGb0af9dde5
[2021-07-06 15:32:56,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6c0ffba/ffa12342961d418fb131da4eeaafa95b
[2021-07-06 15:32:56,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-07-06 15:32:56,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-07-06 15:32:56,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-07-06 15:32:56,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-07-06 15:32:56,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-07-06 15:32:56,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425d6813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56, skipping insertion in model container
[2021-07-06 15:32:56,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-07-06 15:32:56,124 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-07-06 15:32:56,262 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/McCarthy91-2.c[749,762]
[2021-07-06 15:32:56,263 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-07-06 15:32:56,270 INFO L203 MainTranslator]: Completed pre-run
[2021-07-06 15:32:56,284 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/McCarthy91-2.c[749,762]
[2021-07-06 15:32:56,285 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-07-06 15:32:56,297 INFO L208 MainTranslator]: Completed translation
[2021-07-06 15:32:56,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56 WrapperNode
[2021-07-06 15:32:56,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-07-06 15:32:56,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-07-06 15:32:56,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-07-06 15:32:56,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-07-06 15:32:56,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-07-06 15:32:56,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-07-06 15:32:56,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-07-06 15:32:56,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-07-06 15:32:56,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-07-06 15:32:56,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-07-06 15:32:56,393 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-07-06 15:32:56,393 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-07-06 15:32:56,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (1/1) ...
[2021-07-06 15:32:56,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-07-06 15:32:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-07-06 15:32:56,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-07-06 15:32:56,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-07-06 15:32:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-07-06 15:32:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-07-06 15:32:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-07-06 15:32:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-07-06 15:32:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure f91
[2021-07-06 15:32:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure f91
[2021-07-06 15:32:56,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-07-06 15:32:56,708 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-07-06 15:32:56,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:32:56 BoogieIcfgContainer
[2021-07-06 15:32:56,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-07-06 15:32:56,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-07-06 15:32:56,711 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-07-06 15:32:56,714 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-07-06 15:32:56,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.07 03:32:56" (1/3) ...
[2021-07-06 15:32:56,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c69a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:32:56, skipping insertion in model container
[2021-07-06 15:32:56,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:32:56" (2/3) ...
[2021-07-06 15:32:56,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c69a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:32:56, skipping insertion in model container
[2021-07-06 15:32:56,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:32:56" (3/3) ...
[2021-07-06 15:32:56,716 INFO L111 eAbstractionObserver]: Analyzing ICFG McCarthy91-2.c
[2021-07-06 15:32:56,739 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-07-06 15:32:56,739 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2021-07-06 15:32:56,809 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ========
[2021-07-06 15:32:56,830 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-07-06 15:32:56,830 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-07-06 15:32:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-07-06 15:32:56,862 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:56,862 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:56,863 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:56,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:56,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1031924764, now seen corresponding path program 1 times
[2021-07-06 15:32:56,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:56,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216328456]
[2021-07-06 15:32:56,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:56,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-07-06 15:32:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:57,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:57,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216328456]
[2021-07-06 15:32:57,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216328456] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:57,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:57,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-07-06 15:32:57,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143371265]
[2021-07-06 15:32:57,119 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-07-06 15:32:57,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:57,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-07-06 15:32:57,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-06 15:32:57,134 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-07-06 15:32:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:57,166 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions.
[2021-07-06 15:32:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-07-06 15:32:57,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2021-07-06 15:32:57,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:57,173 INFO L225 Difference]: With dead ends: 35
[2021-07-06 15:32:57,173 INFO L226 Difference]: Without dead ends: 0
[2021-07-06 15:32:57,178 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-06 15:32:57,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-07-06 15:32:57,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-07-06 15:32:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-07-06 15:32:57,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2021-07-06 15:32:57,196 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:57,196 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-07-06 15:32:57,197 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-07-06 15:32:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-07-06 15:32:57,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-07-06 15:32:57,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-07-06 15:32:57,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,234 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,235 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,235 INFO L762 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,235 INFO L762 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,235 INFO L762 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,236 INFO L762 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,236 INFO L762 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,236 INFO L762 garLoopResultBuilder]: For program point L29-7(lines 29 33) no Hoare annotation was computed.
[2021-07-06 15:32:57,237 INFO L762 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-07-06 15:32:57,237 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,237 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,238 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,238 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,239 INFO L758 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:57,239 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-07-06 15:32:57,240 INFO L758 garLoopResultBuilder]: At program point L26(lines 26 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:57,240 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,240 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,240 INFO L762 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,241 INFO L765 garLoopResultBuilder]: At program point L21-2(line 21) the Hoare annotation is: true
[2021-07-06 15:32:57,241 INFO L762 garLoopResultBuilder]: For program point f91EXIT(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:57,241 INFO L762 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-07-06 15:32:57,241 INFO L762 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,242 INFO L762 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,243 INFO L765 garLoopResultBuilder]: At program point L21-4(line 21) the Hoare annotation is: true
[2021-07-06 15:32:57,243 INFO L762 garLoopResultBuilder]: For program point L21-5(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,243 INFO L762 garLoopResultBuilder]: For program point f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,243 INFO L765 garLoopResultBuilder]: At program point f91ENTRY(lines 17 23) the Hoare annotation is: true
[2021-07-06 15:32:57,244 INFO L762 garLoopResultBuilder]: For program point f91FINAL(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:57,244 INFO L762 garLoopResultBuilder]: For program point f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,244 INFO L762 garLoopResultBuilder]: For program point f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,244 INFO L762 garLoopResultBuilder]: For program point f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,245 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-07-06 15:32:57,245 WARN L182 nStatisticsGenerator]: total relevant statements: 0
[2021-07-06 15:32:57,249 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (1/6)
[2021-07-06 15:32:57,264 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW ========
[2021-07-06 15:32:57,266 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-07-06 15:32:57,269 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-07-06 15:32:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-07-06 15:32:57,273 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:57,273 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:57,273 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:57,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:57,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1924896658, now seen corresponding path program 1 times
[2021-07-06 15:32:57,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:57,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124430467]
[2021-07-06 15:32:57,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:57,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6
[2021-07-06 15:32:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-07-06 15:32:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:57,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:57,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124430467]
[2021-07-06 15:32:57,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124430467] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:57,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:57,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-07-06 15:32:57,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161510447]
[2021-07-06 15:32:57,347 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-07-06 15:32:57,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:57,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-07-06 15:32:57,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-07-06 15:32:57,348 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-07-06 15:32:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:57,396 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions.
[2021-07-06 15:32:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-07-06 15:32:57,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-07-06 15:32:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:57,397 INFO L225 Difference]: With dead ends: 42
[2021-07-06 15:32:57,397 INFO L226 Difference]: Without dead ends: 0
[2021-07-06 15:32:57,400 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-07-06 15:32:57,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-07-06 15:32:57,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-07-06 15:32:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-07-06 15:32:57,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2021-07-06 15:32:57,400 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:57,401 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-07-06 15:32:57,401 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-07-06 15:32:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-07-06 15:32:57,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-07-06 15:32:57,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-07-06 15:32:57,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:57,417 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,417 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,417 INFO L762 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,417 INFO L762 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,417 INFO L762 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,418 INFO L762 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,418 INFO L762 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,418 INFO L762 garLoopResultBuilder]: For program point L29-7(lines 29 33) no Hoare annotation was computed.
[2021-07-06 15:32:57,418 INFO L762 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-07-06 15:32:57,419 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,419 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:57,419 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,419 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:57,419 INFO L758 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:57,420 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-07-06 15:32:57,420 INFO L758 garLoopResultBuilder]: At program point L26(lines 26 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:57,420 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,420 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,420 INFO L762 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,420 INFO L765 garLoopResultBuilder]: At program point L21-2(line 21) the Hoare annotation is: true
[2021-07-06 15:32:57,420 INFO L762 garLoopResultBuilder]: For program point f91EXIT(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:57,421 INFO L762 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-07-06 15:32:57,424 INFO L762 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,424 INFO L762 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,424 INFO L765 garLoopResultBuilder]: At program point L21-4(line 21) the Hoare annotation is: true
[2021-07-06 15:32:57,425 INFO L762 garLoopResultBuilder]: For program point L21-5(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,425 INFO L762 garLoopResultBuilder]: For program point f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,425 INFO L765 garLoopResultBuilder]: At program point f91ENTRY(lines 17 23) the Hoare annotation is: true
[2021-07-06 15:32:57,425 INFO L762 garLoopResultBuilder]: For program point f91FINAL(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:57,425 INFO L762 garLoopResultBuilder]: For program point f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:57,426 INFO L762 garLoopResultBuilder]: For program point f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,426 INFO L762 garLoopResultBuilder]: For program point f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:57,426 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-07-06 15:32:57,426 WARN L182 nStatisticsGenerator]: total relevant statements: 0
[2021-07-06 15:32:57,426 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (2/6)
[2021-07-06 15:32:57,430 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW ========
[2021-07-06 15:32:57,430 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-07-06 15:32:57,431 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-07-06 15:32:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-07-06 15:32:57,437 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:57,437 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:57,437 INFO L374 AbstractCegarLoop]: === Iteration 1 === [f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:57,438 INFO L82 PathProgramCache]: Analyzing trace with hash 890872146, now seen corresponding path program 1 times
[2021-07-06 15:32:57,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:57,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95577483]
[2021-07-06 15:32:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:57,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:57,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:57,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95577483]
[2021-07-06 15:32:57,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95577483] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:57,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:57,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-07-06 15:32:57,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803778696]
[2021-07-06 15:32:57,507 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-07-06 15:32:57,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:57,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-07-06 15:32:57,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-07-06 15:32:57,509 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:57,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:57,618 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions.
[2021-07-06 15:32:57,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-07-06 15:32:57,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-07-06 15:32:57,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:57,622 INFO L225 Difference]: With dead ends: 53
[2021-07-06 15:32:57,622 INFO L226 Difference]: Without dead ends: 25
[2021-07-06 15:32:57,624 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-07-06 15:32:57,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2021-07-06 15:32:57,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23.
[2021-07-06 15:32:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions.
[2021-07-06 15:32:57,643 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 6
[2021-07-06 15:32:57,644 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:57,644 INFO L442 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions.
[2021-07-06 15:32:57,644 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions.
[2021-07-06 15:32:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-07-06 15:32:57,645 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:57,645 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:57,645 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-07-06 15:32:57,647 INFO L374 AbstractCegarLoop]: === Iteration 2 === [f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:57,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:57,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1878050790, now seen corresponding path program 1 times
[2021-07-06 15:32:57,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:57,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280834871]
[2021-07-06 15:32:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:57,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:57,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:57,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280834871]
[2021-07-06 15:32:57,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280834871] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:57,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:57,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-07-06 15:32:57,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089754578]
[2021-07-06 15:32:57,682 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-07-06 15:32:57,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:57,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-07-06 15:32:57,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-07-06 15:32:57,683 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:57,753 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions.
[2021-07-06 15:32:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-07-06 15:32:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2021-07-06 15:32:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:57,755 INFO L225 Difference]: With dead ends: 40
[2021-07-06 15:32:57,755 INFO L226 Difference]: Without dead ends: 39
[2021-07-06 15:32:57,755 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.6ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-07-06 15:32:57,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2021-07-06 15:32:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35.
[2021-07-06 15:32:57,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2021-07-06 15:32:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions.
[2021-07-06 15:32:57,763 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 11
[2021-07-06 15:32:57,763 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:57,763 INFO L442 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions.
[2021-07-06 15:32:57,763 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:57,763 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions.
[2021-07-06 15:32:57,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-07-06 15:32:57,764 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:57,764 INFO L525 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:57,764 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-07-06 15:32:57,764 INFO L374 AbstractCegarLoop]: === Iteration 3 === [f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:57,765 INFO L82 PathProgramCache]: Analyzing trace with hash -865388299, now seen corresponding path program 1 times
[2021-07-06 15:32:57,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:57,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306679496]
[2021-07-06 15:32:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:57,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2021-07-06 15:32:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-07-06 15:32:57,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:57,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306679496]
[2021-07-06 15:32:57,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306679496] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-06 15:32:57,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060497035]
[2021-07-06 15:32:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:57,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-06 15:32:57,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-07-06 15:32:57,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-07-06 15:32:57,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-07-06 15:32:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:57,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-07-06 15:32:57,899 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-07-06 15:32:57,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,925 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:57,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:57,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:57,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,929 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:57,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:57,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:57,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,952 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,955 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,978 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:57,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,007 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-07-06 15:32:58,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,010 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-07-06 15:32:58,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:58,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:58,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-07-06 15:32:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,039 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-07-06 15:32:58,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-07-06 15:32:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,051 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-07-06 15:32:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-07-06 15:32:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,057 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,060 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-07-06 15:32:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-07-06 15:32:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-07-06 15:32:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,084 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,087 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:58,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:58,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:58,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,118 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-07-06 15:32:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-07-06 15:32:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-07-06 15:32:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:58,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060497035] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-06 15:32:58,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-06 15:32:58,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14
[2021-07-06 15:32:58,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918016209]
[2021-07-06 15:32:58,142 INFO L425 AbstractCegarLoop]: Interpolant automaton has 15 states
[2021-07-06 15:32:58,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:58,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-07-06 15:32:58,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210
[2021-07-06 15:32:58,144 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-07-06 15:32:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:58,414 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions.
[2021-07-06 15:32:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2021-07-06 15:32:58,415 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19
[2021-07-06 15:32:58,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:58,415 INFO L225 Difference]: With dead ends: 53
[2021-07-06 15:32:58,415 INFO L226 Difference]: Without dead ends: 0
[2021-07-06 15:32:58,423 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 253.4ms TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552
[2021-07-06 15:32:58,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-07-06 15:32:58,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-07-06 15:32:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-07-06 15:32:58,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2021-07-06 15:32:58,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:58,424 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-07-06 15:32:58,424 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-07-06 15:32:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-07-06 15:32:58,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-07-06 15:32:58,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-07-06 15:32:58,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,567 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,567 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L29-7(lines 29 33) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-07-06 15:32:58,568 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,569 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,569 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,569 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,569 INFO L758 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:58,569 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-07-06 15:32:58,569 INFO L758 garLoopResultBuilder]: At program point L26(lines 26 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:58,569 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L762 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L758 garLoopResultBuilder]: At program point L21-2(line 21) the Hoare annotation is: (or (not (<= |f91_#in~x| 2147483648)) (and (= f91_~x |f91_#in~x|) (<= f91_~x 100)))
[2021-07-06 15:32:58,570 INFO L762 garLoopResultBuilder]: For program point f91EXIT(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L762 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L762 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L762 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,570 INFO L758 garLoopResultBuilder]: At program point L21-4(line 21) the Hoare annotation is: (or (not (<= |f91_#in~x| 2147483648)) (and (<= |f91_#t~ret7| 2147483648) (= f91_~x |f91_#in~x|) (<= f91_~x 100)))
[2021-07-06 15:32:58,571 INFO L762 garLoopResultBuilder]: For program point L21-5(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,571 INFO L762 garLoopResultBuilder]: For program point f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,571 INFO L765 garLoopResultBuilder]: At program point f91ENTRY(lines 17 23) the Hoare annotation is: true
[2021-07-06 15:32:58,571 INFO L762 garLoopResultBuilder]: For program point f91FINAL(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:58,571 INFO L762 garLoopResultBuilder]: For program point f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,571 INFO L762 garLoopResultBuilder]: For program point f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,571 INFO L762 garLoopResultBuilder]: For program point f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2021-07-06 15:32:58,785 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2021-07-06 15:32:58,786 WARN L182 nStatisticsGenerator]: total relevant statements: 0
[2021-07-06 15:32:58,786 INFO L303 ceAbstractionStarter]: Result for error location f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (3/6)
[2021-07-06 15:32:58,787 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW ========
[2021-07-06 15:32:58,788 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-07-06 15:32:58,788 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-07-06 15:32:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-07-06 15:32:58,789 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:58,789 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:58,790 INFO L374 AbstractCegarLoop]: === Iteration 1 === [f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:58,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:58,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1847232819, now seen corresponding path program 1 times
[2021-07-06 15:32:58,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:58,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046025352]
[2021-07-06 15:32:58,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:58,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:58,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:58,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046025352]
[2021-07-06 15:32:58,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046025352] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:58,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:58,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-07-06 15:32:58,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704542989]
[2021-07-06 15:32:58,820 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-07-06 15:32:58,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:58,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-07-06 15:32:58,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-06 15:32:58,821 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:58,838 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions.
[2021-07-06 15:32:58,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-07-06 15:32:58,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-07-06 15:32:58,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:58,840 INFO L225 Difference]: With dead ends: 37
[2021-07-06 15:32:58,840 INFO L226 Difference]: Without dead ends: 0
[2021-07-06 15:32:58,841 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-06 15:32:58,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-07-06 15:32:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-07-06 15:32:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-07-06 15:32:58,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7
[2021-07-06 15:32:58,843 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:58,843 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-07-06 15:32:58,843 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-07-06 15:32:58,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-07-06 15:32:58,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-07-06 15:32:58,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,854 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,854 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,854 INFO L762 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,854 INFO L762 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point L29-7(lines 29 33) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,855 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L758 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L758 garLoopResultBuilder]: At program point L26(lines 26 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L758 garLoopResultBuilder]: At program point L21-2(line 21) the Hoare annotation is: (or (not (<= |f91_#in~x| 2147483648)) (and (= f91_~x |f91_#in~x|) (<= f91_~x 100)))
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point f91EXIT(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L758 garLoopResultBuilder]: At program point L21-4(line 21) the Hoare annotation is: (or (not (<= |f91_#in~x| 2147483648)) (and (<= |f91_#t~ret7| 2147483648) (= f91_~x |f91_#in~x|) (<= f91_~x 100)))
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point L21-5(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,856 INFO L762 garLoopResultBuilder]: For program point f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,857 INFO L765 garLoopResultBuilder]: At program point f91ENTRY(lines 17 23) the Hoare annotation is: true
[2021-07-06 15:32:58,857 INFO L762 garLoopResultBuilder]: For program point f91FINAL(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:58,857 INFO L762 garLoopResultBuilder]: For program point f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,857 INFO L762 garLoopResultBuilder]: For program point f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,857 INFO L762 garLoopResultBuilder]: For program point f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,857 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2021-07-06 15:32:58,857 WARN L182 nStatisticsGenerator]: total relevant statements: 0
[2021-07-06 15:32:58,857 INFO L303 ceAbstractionStarter]: Result for error location f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (4/6)
[2021-07-06 15:32:58,858 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW ========
[2021-07-06 15:32:58,859 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-07-06 15:32:58,859 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-07-06 15:32:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-07-06 15:32:58,860 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:58,860 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:58,860 INFO L374 AbstractCegarLoop]: === Iteration 1 === [f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:58,861 INFO L82 PathProgramCache]: Analyzing trace with hash 890872306, now seen corresponding path program 1 times
[2021-07-06 15:32:58,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:58,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919379723]
[2021-07-06 15:32:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:58,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:58,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:58,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:58,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:58,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919379723]
[2021-07-06 15:32:58,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919379723] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:58,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:58,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-07-06 15:32:58,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003252853]
[2021-07-06 15:32:58,874 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-07-06 15:32:58,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:58,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-07-06 15:32:58,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-06 15:32:58,875 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:58,886 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions.
[2021-07-06 15:32:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-07-06 15:32:58,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-07-06 15:32:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:58,887 INFO L225 Difference]: With dead ends: 37
[2021-07-06 15:32:58,887 INFO L226 Difference]: Without dead ends: 0
[2021-07-06 15:32:58,887 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-06 15:32:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-07-06 15:32:58,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-07-06 15:32:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-07-06 15:32:58,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2021-07-06 15:32:58,888 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:58,888 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-07-06 15:32:58,888 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-07-06 15:32:58,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-07-06 15:32:58,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-07-06 15:32:58,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:58,898 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,898 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,898 INFO L762 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,898 INFO L762 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L29-7(lines 29 33) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:58,899 INFO L758 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:58,899 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L758 garLoopResultBuilder]: At program point L26(lines 26 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647)
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L758 garLoopResultBuilder]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse0 (<= f91_~x 100))) (and (or (not (<= |f91_#in~x| 2147483648)) (and (= f91_~x |f91_#in~x|) .cse0)) .cse0))
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point f91EXIT(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,900 INFO L762 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 INFO L758 garLoopResultBuilder]: At program point L21-4(line 21) the Hoare annotation is: (let ((.cse0 (<= f91_~x 100))) (and .cse0 (or (not (<= |f91_#in~x| 2147483648)) (and (<= |f91_#t~ret7| 2147483648) (= f91_~x |f91_#in~x|) .cse0))))
[2021-07-06 15:32:58,901 INFO L762 garLoopResultBuilder]: For program point L21-5(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 INFO L762 garLoopResultBuilder]: For program point f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 INFO L765 garLoopResultBuilder]: At program point f91ENTRY(lines 17 23) the Hoare annotation is: true
[2021-07-06 15:32:58,901 INFO L762 garLoopResultBuilder]: For program point f91FINAL(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 INFO L762 garLoopResultBuilder]: For program point f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 INFO L762 garLoopResultBuilder]: For program point f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 INFO L762 garLoopResultBuilder]: For program point f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:58,901 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71
[2021-07-06 15:32:58,901 WARN L182 nStatisticsGenerator]: total relevant statements: 0
[2021-07-06 15:32:58,902 INFO L303 ceAbstractionStarter]: Result for error location f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (5/6)
[2021-07-06 15:32:58,903 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW ========
[2021-07-06 15:32:58,903 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-07-06 15:32:58,903 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-07-06 15:32:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-07-06 15:32:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-07-06 15:32:58,904 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:58,904 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:58,904 INFO L374 AbstractCegarLoop]: === Iteration 1 === [f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:58,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:58,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1847237784, now seen corresponding path program 1 times
[2021-07-06 15:32:58,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:58,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950486445]
[2021-07-06 15:32:58,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:58,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:58,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:58,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:58,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-07-06 15:32:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-06 15:32:58,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:58,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950486445]
[2021-07-06 15:32:58,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950486445] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:58,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:58,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-07-06 15:32:58,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161361882]
[2021-07-06 15:32:58,932 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-07-06 15:32:58,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:58,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-07-06 15:32:58,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-07-06 15:32:58,933 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:59,000 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions.
[2021-07-06 15:32:59,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-07-06 15:32:59,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-07-06 15:32:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:59,004 INFO L225 Difference]: With dead ends: 53
[2021-07-06 15:32:59,004 INFO L226 Difference]: Without dead ends: 30
[2021-07-06 15:32:59,004 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-07-06 15:32:59,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2021-07-06 15:32:59,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2021-07-06 15:32:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2021-07-06 15:32:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions.
[2021-07-06 15:32:59,014 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 7
[2021-07-06 15:32:59,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:59,014 INFO L442 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions.
[2021-07-06 15:32:59,014 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions.
[2021-07-06 15:32:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-07-06 15:32:59,015 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:59,015 INFO L525 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:59,015 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83
[2021-07-06 15:32:59,015 INFO L374 AbstractCegarLoop]: === Iteration 2 === [f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:59,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:59,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1057228459, now seen corresponding path program 1 times
[2021-07-06 15:32:59,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:59,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740785166]
[2021-07-06 15:32:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:59,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:59,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2021-07-06 15:32:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:59,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:59,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-07-06 15:32:59,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:59,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740785166]
[2021-07-06 15:32:59,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740785166] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:59,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:59,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-07-06 15:32:59,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788647438]
[2021-07-06 15:32:59,096 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-07-06 15:32:59,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-07-06 15:32:59,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-07-06 15:32:59,097 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-07-06 15:32:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:59,211 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions.
[2021-07-06 15:32:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-07-06 15:32:59,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2021-07-06 15:32:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:59,214 INFO L225 Difference]: With dead ends: 56
[2021-07-06 15:32:59,214 INFO L226 Difference]: Without dead ends: 55
[2021-07-06 15:32:59,215 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 58.1ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132
[2021-07-06 15:32:59,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2021-07-06 15:32:59,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52.
[2021-07-06 15:32:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 39 states have internal predecessors, (39), 10 states have call successors, (10), 3 states have call predecessors, (10), 6 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18)
[2021-07-06 15:32:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions.
[2021-07-06 15:32:59,230 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 20
[2021-07-06 15:32:59,230 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:59,230 INFO L442 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions.
[2021-07-06 15:32:59,230 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-07-06 15:32:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions.
[2021-07-06 15:32:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-07-06 15:32:59,235 INFO L517 BasicCegarLoop]: Found error trace
[2021-07-06 15:32:59,235 INFO L525 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2021-07-06 15:32:59,235 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84
[2021-07-06 15:32:59,235 INFO L374 AbstractCegarLoop]: === Iteration 3 === [f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2021-07-06 15:32:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-07-06 15:32:59,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1543468454, now seen corresponding path program 1 times
[2021-07-06 15:32:59,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-06 15:32:59,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202469165]
[2021-07-06 15:32:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-06 15:32:59,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-07-06 15:32:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:59,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2021-07-06 15:32:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:59,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:59,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-07-06 15:32:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:59,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2021-07-06 15:32:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-06 15:32:59,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-07-06 15:32:59,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-06 15:32:59,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-07-06 15:32:59,314 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-07-06 15:32:59,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-06 15:32:59,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202469165]
[2021-07-06 15:32:59,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202469165] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-06 15:32:59,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-06 15:32:59,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-07-06 15:32:59,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723110894]
[2021-07-06 15:32:59,315 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-07-06 15:32:59,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-06 15:32:59,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-07-06 15:32:59,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-07-06 15:32:59,316 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-07-06 15:32:59,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-07-06 15:32:59,465 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions.
[2021-07-06 15:32:59,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-07-06 15:32:59,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36
[2021-07-06 15:32:59,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-07-06 15:32:59,466 INFO L225 Difference]: With dead ends: 52
[2021-07-06 15:32:59,466 INFO L226 Difference]: Without dead ends: 0
[2021-07-06 15:32:59,467 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 105.1ms TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240
[2021-07-06 15:32:59,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-07-06 15:32:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-07-06 15:32:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-06 15:32:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-07-06 15:32:59,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36
[2021-07-06 15:32:59,469 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-07-06 15:32:59,469 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-07-06 15:32:59,470 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-07-06 15:32:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-07-06 15:32:59,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-07-06 15:32:59,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-07-06 15:32:59,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-07-06 15:32:59,549 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,549 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:59,549 INFO L762 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,549 INFO L762 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,549 INFO L762 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point L29-7(lines 29 33) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:59,550 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-07-06 15:32:59,551 INFO L758 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)))
[2021-07-06 15:32:59,551 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-07-06 15:32:59,551 INFO L758 garLoopResultBuilder]: At program point L26(lines 26 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)))
[2021-07-06 15:32:59,551 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:59,551 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:59,551 INFO L762 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:59,552 INFO L758 garLoopResultBuilder]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse0 (<= f91_~x 100))) (and (or (not (<= 91 |f91_#in~x|)) (<= 91 f91_~x)) (or (not (<= |f91_#in~x| 2147483648)) (and (= f91_~x |f91_#in~x|) .cse0)) (or (<= 0 (+ f91_~x 2147483648)) (not (<= 0 (+ |f91_#in~x| 2147483648)))) .cse0))
[2021-07-06 15:32:59,552 INFO L762 garLoopResultBuilder]: For program point f91EXIT(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:59,552 INFO L762 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-07-06 15:32:59,552 INFO L762 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:59,552 INFO L762 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:59,552 INFO L758 garLoopResultBuilder]: At program point L21-4(line 21) the Hoare annotation is: (let ((.cse0 (<= f91_~x 100))) (and (or (not (<= 91 |f91_#in~x|)) (<= 91 f91_~x)) .cse0 (or (not (<= |f91_#in~x| 2147483648)) (and (<= |f91_#t~ret7| 2147483648) (= f91_~x |f91_#in~x|) .cse0)) (or (and (<= 91 |f91_#t~ret7|) (<= 0 (+ f91_~x 2147483648))) (not (<= 0 (+ |f91_#in~x| 2147483648))))))
[2021-07-06 15:32:59,552 INFO L762 garLoopResultBuilder]: For program point L21-5(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:59,553 INFO L762 garLoopResultBuilder]: For program point f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:59,553 INFO L765 garLoopResultBuilder]: At program point f91ENTRY(lines 17 23) the Hoare annotation is: true
[2021-07-06 15:32:59,553 INFO L762 garLoopResultBuilder]: For program point f91FINAL(lines 17 23) no Hoare annotation was computed.
[2021-07-06 15:32:59,553 INFO L762 garLoopResultBuilder]: For program point f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-07-06 15:32:59,553 INFO L762 garLoopResultBuilder]: For program point f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:59,553 INFO L762 garLoopResultBuilder]: For program point f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-07-06 15:32:59,553 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85
[2021-07-06 15:32:59,554 WARN L182 nStatisticsGenerator]: total relevant statements: 0
[2021-07-06 15:32:59,554 INFO L303 ceAbstractionStarter]: Result for error location f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (6/6)
[2021-07-06 15:32:59,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.07 03:32:59 BoogieIcfgContainer
[2021-07-06 15:32:59,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-07-06 15:32:59,569 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-07-06 15:32:59,569 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-07-06 15:32:59,569 INFO L275 PluginConnector]: Witness Printer initialized
[2021-07-06 15:32:59,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:32:56" (3/4) ...
[2021-07-06 15:32:59,572 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-07-06 15:32:59,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f91
[2021-07-06 15:32:59,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2021-07-06 15:32:59,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-07-06 15:32:59,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-07-06 15:32:59,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-07-06 15:32:59,616 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2021-07-06 15:32:59,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-07-06 15:32:59,618 INFO L168 Benchmark]: Toolchain (without parser) took 3516.45 ms. Allocated memory was 58.7 MB in the beginning and 117.4 MB in the end (delta: 58.7 MB). Free memory was 36.9 MB in the beginning and 65.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,618 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.15 ms. Allocated memory is still 58.7 MB. Free memory was 36.7 MB in the beginning and 43.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.65 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 43.4 MB in the beginning and 63.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,618 INFO L168 Benchmark]: Boogie Preprocessor took 33.14 ms. Allocated memory is still 79.7 MB. Free memory was 63.5 MB in the beginning and 62.5 MB in the end (delta: 987.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,619 INFO L168 Benchmark]: RCFGBuilder took 317.41 ms. Allocated memory is still 79.7 MB. Free memory was 62.5 MB in the beginning and 48.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,619 INFO L168 Benchmark]: TraceAbstraction took 2857.41 ms. Allocated memory was 79.7 MB in the beginning and 117.4 MB in the end (delta: 37.7 MB). Free memory was 48.4 MB in the beginning and 67.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,620 INFO L168 Benchmark]: Witness Printer took 47.24 ms. Allocated memory is still 117.4 MB. Free memory was 67.5 MB in the beginning and 65.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-07-06 15:32:59,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 208.15 ms. Allocated memory is still 58.7 MB. Free memory was 36.7 MB in the beginning and 43.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 32.65 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 43.4 MB in the beginning and 63.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 33.14 ms. Allocated memory is still 79.7 MB. Free memory was 63.5 MB in the beginning and 62.5 MB in the end (delta: 987.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 317.41 ms. Allocated memory is still 79.7 MB. Free memory was 62.5 MB in the beginning and 48.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 2857.41 ms. Allocated memory was 79.7 MB in the beginning and 117.4 MB in the end (delta: 37.7 MB). Free memory was 48.4 MB in the beginning and 67.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB.
* Witness Printer took 47.24 ms. Allocated memory is still 117.4 MB. Free memory was 67.5 MB in the beginning and 65.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 457.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 21.6ms, AutomataDifference: 58.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 33.9ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 10 SDslu, 20 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 9 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 13.7ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 13.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 11.9ms SsaConstructionTime, 35.9ms SatisfiabilityAnalysisTime, 113.1ms InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
- StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 162.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 2.6ms, AutomataDifference: 52.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 15.1ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 36 SDtfs, 17 SDslu, 25 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 13 NumberOfFragments, 5 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 9.1ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2ms SsaConstructionTime, 8.9ms SatisfiabilityAnalysisTime, 57.1ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
- StatisticsResult: Ultimate Automizer benchmark data for error location: f91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1356.5ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 2.6ms, AutomataDifference: 469.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 142.4ms, InitialAbstractionConstructionTime: 4.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 130 SDslu, 112 SDs, 0 SdLazy, 203 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 174.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 311.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=2, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 27.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 32 PreInvPairs, 43 NumberOfFragments, 34 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 63.5ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 185 FormulaSimplificationTreeSizeReductionInter, 68.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 11.5ms SsaConstructionTime, 34.7ms SatisfiabilityAnalysisTime, 377.4ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 137 SizeOfPredicates, 4 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 8/16 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
- StatisticsResult: Ultimate Automizer benchmark data for error location: f91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 70.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.7ms, AutomataDifference: 21.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10.7ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 3 SDslu, 25 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 5 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 5.7ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6ms SsaConstructionTime, 3.4ms SatisfiabilityAnalysisTime, 22.6ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
- StatisticsResult: Ultimate Automizer benchmark data for error location: f91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 43.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.5ms, AutomataDifference: 12.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9.6ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 36 SDtfs, 6 SDslu, 22 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 9 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 4.5ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6ms SsaConstructionTime, 2.6ms SatisfiabilityAnalysisTime, 7.4ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
- StatisticsResult: Ultimate Automizer benchmark data for error location: f91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
CFG has 2 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 651.3ms, OverallIterations: 3, TraceHistogramMax: 5, EmptinessCheckTime: 6.4ms, AutomataDifference: 341.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 78.3ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 82 SDslu, 161 SDs, 0 SdLazy, 221 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 137.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 178.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=2, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.6ms AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 32 PreInvPairs, 33 NumberOfFragments, 57 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 24.7ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 50.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.7ms SsaConstructionTime, 38.2ms SatisfiabilityAnalysisTime, 132.6ms InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 45/45 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
- InvariantResult [Line: 26]: Loop Invariant
Derived loop invariant: x <= 2147483647 && 0 <= x + 2147483648
RESULT: Ultimate proved your program to be correct!
[2021-07-06 15:32:59,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...