./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/const_1-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a31fd051
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/loop-acceleration/const_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64dc8b0c2e0759b706f2238ea43dd599f1c607e860e0f52175ef714a83e5d2c1
--- Real Ultimate output ---
This is Ultimate 0.2.2-?-a31fd05
[2023-02-15 10:58:46,993 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2023-02-15 10:58:46,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2023-02-15 10:58:47,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-02-15 10:58:47,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-02-15 10:58:47,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-02-15 10:58:47,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-02-15 10:58:47,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2023-02-15 10:58:47,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-02-15 10:58:47,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-02-15 10:58:47,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2023-02-15 10:58:47,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-02-15 10:58:47,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-02-15 10:58:47,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-02-15 10:58:47,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-02-15 10:58:47,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-02-15 10:58:47,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-02-15 10:58:47,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-02-15 10:58:47,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-02-15 10:58:47,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2023-02-15 10:58:47,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-02-15 10:58:47,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-02-15 10:58:47,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2023-02-15 10:58:47,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-02-15 10:58:47,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-02-15 10:58:47,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-02-15 10:58:47,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-02-15 10:58:47,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-02-15 10:58:47,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-02-15 10:58:47,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-02-15 10:58:47,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-02-15 10:58:47,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-02-15 10:58:47,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-02-15 10:58:47,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2023-02-15 10:58:47,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-02-15 10:58:47,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2023-02-15 10:58:47,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-02-15 10:58:47,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-02-15 10:58:47,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2023-02-15 10:58:47,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2023-02-15 10:58:47,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2023-02-15 10:58:47,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-02-15 10:58:47,082 INFO L113 SettingsManager]: Loading preferences was successful
[2023-02-15 10:58:47,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2023-02-15 10:58:47,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-02-15 10:58:47,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-02-15 10:58:47,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-02-15 10:58:47,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-02-15 10:58:47,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-02-15 10:58:47,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2023-02-15 10:58:47,085 INFO L138 SettingsManager]: * Use SBE=true
[2023-02-15 10:58:47,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-02-15 10:58:47,085 INFO L138 SettingsManager]: * sizeof long=4
[2023-02-15 10:58:47,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2023-02-15 10:58:47,086 INFO L138 SettingsManager]: * sizeof POINTER=4
[2023-02-15 10:58:47,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2023-02-15 10:58:47,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-02-15 10:58:47,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-02-15 10:58:47,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-02-15 10:58:47,087 INFO L138 SettingsManager]: * sizeof long double=12
[2023-02-15 10:58:47,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2023-02-15 10:58:47,087 INFO L138 SettingsManager]: * Use constant arrays=true
[2023-02-15 10:58:47,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-02-15 10:58:47,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-02-15 10:58:47,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-02-15 10:58:47,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2023-02-15 10:58:47,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-02-15 10:58:47,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-02-15 10:58:47,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-02-15 10:58:47,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-02-15 10:58:47,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-02-15 10:58:47,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-02-15 10:58:47,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-02-15 10:58:47,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-02-15 10:58:47,091 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-02-15 10:58:47,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-02-15 10:58:47,091 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-02-15 10:58:47,091 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64dc8b0c2e0759b706f2238ea43dd599f1c607e860e0f52175ef714a83e5d2c1
[2023-02-15 10:58:47,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-02-15 10:58:47,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-02-15 10:58:47,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-02-15 10:58:47,355 INFO L271 PluginConnector]: Initializing CDTParser...
[2023-02-15 10:58:47,355 INFO L275 PluginConnector]: CDTParser initialized
[2023-02-15 10:58:47,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-1.c
[2023-02-15 10:58:48,457 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2023-02-15 10:58:48,631 INFO L351 CDTParser]: Found 1 translation units.
[2023-02-15 10:58:48,631 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-1.c
[2023-02-15 10:58:48,636 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/694ab20b5/652eb192269145068a79b5d3a2b42ab7/FLAG3ac3ec09b
[2023-02-15 10:58:48,654 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/694ab20b5/652eb192269145068a79b5d3a2b42ab7
[2023-02-15 10:58:48,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-02-15 10:58:48,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-02-15 10:58:48,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-02-15 10:58:48,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-02-15 10:58:48,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-02-15 10:58:48,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3168b4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48, skipping insertion in model container
[2023-02-15 10:58:48,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2023-02-15 10:58:48,692 INFO L178 MainTranslator]: Built tables and reachable declarations
[2023-02-15 10:58:48,815 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-1.c[321,334]
[2023-02-15 10:58:48,827 INFO L210 PostProcessor]: Analyzing one entry point: main
[2023-02-15 10:58:48,839 INFO L203 MainTranslator]: Completed pre-run
[2023-02-15 10:58:48,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-1.c[321,334]
[2023-02-15 10:58:48,853 INFO L210 PostProcessor]: Analyzing one entry point: main
[2023-02-15 10:58:48,865 INFO L208 MainTranslator]: Completed translation
[2023-02-15 10:58:48,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48 WrapperNode
[2023-02-15 10:58:48,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-02-15 10:58:48,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-02-15 10:58:48,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-02-15 10:58:48,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2023-02-15 10:58:48,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,893 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27
[2023-02-15 10:58:48,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-02-15 10:58:48,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-02-15 10:58:48,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2023-02-15 10:58:48,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2023-02-15 10:58:48,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,915 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-02-15 10:58:48,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-02-15 10:58:48,919 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2023-02-15 10:58:48,919 INFO L275 PluginConnector]: RCFGBuilder initialized
[2023-02-15 10:58:48,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (1/1) ...
[2023-02-15 10:58:48,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-02-15 10:58:48,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-02-15 10:58:48,950 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)
[2023-02-15 10:58:48,958 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
[2023-02-15 10:58:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-02-15 10:58:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-02-15 10:58:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-02-15 10:58:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-02-15 10:58:49,035 INFO L235 CfgBuilder]: Building ICFG
[2023-02-15 10:58:49,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-02-15 10:58:49,121 INFO L276 CfgBuilder]: Performing block encoding
[2023-02-15 10:58:49,126 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-02-15 10:58:49,126 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2023-02-15 10:58:49,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:58:49 BoogieIcfgContainer
[2023-02-15 10:58:49,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-02-15 10:58:49,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-02-15 10:58:49,130 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2023-02-15 10:58:49,133 INFO L275 PluginConnector]: TraceAbstraction initialized
[2023-02-15 10:58:49,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:58:48" (1/3) ...
[2023-02-15 10:58:49,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355a8501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:58:49, skipping insertion in model container
[2023-02-15 10:58:49,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:58:48" (2/3) ...
[2023-02-15 10:58:49,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355a8501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:58:49, skipping insertion in model container
[2023-02-15 10:58:49,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:58:49" (3/3) ...
[2023-02-15 10:58:49,136 INFO L112 eAbstractionObserver]: Analyzing ICFG const_1-1.c
[2023-02-15 10:58:49,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-02-15 10:58:49,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-02-15 10:58:49,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-02-15 10:58:49,194 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bf86d98, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-02-15 10:58:49,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-02-15 10:58:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-02-15 10:58:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-02-15 10:58:49,203 INFO L187 NwaCegarLoop]: Found error trace
[2023-02-15 10:58:49,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-02-15 10:58:49,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-02-15 10:58:49,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2023-02-15 10:58:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times
[2023-02-15 10:58:49,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-02-15 10:58:49,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110547215]
[2023-02-15 10:58:49,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-02-15 10:58:49,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-02-15 10:58:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-02-15 10:58:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:49,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-02-15 10:58:49,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110547215]
[2023-02-15 10:58:49,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110547215] provided 1 perfect and 0 imperfect interpolant sequences
[2023-02-15 10:58:49,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-02-15 10:58:49,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-02-15 10:58:49,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920805601]
[2023-02-15 10:58:49,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-02-15 10:58:49,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-02-15 10:58:49,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-02-15 10:58:49,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-02-15 10:58:49,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-02-15 10:58:49,486 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-02-15 10:58:49,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-02-15 10:58:49,509 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions.
[2023-02-15 10:58:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-02-15 10:58:49,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-02-15 10:58:49,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-02-15 10:58:49,517 INFO L225 Difference]: With dead ends: 20
[2023-02-15 10:58:49,517 INFO L226 Difference]: Without dead ends: 8
[2023-02-15 10:58:49,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-02-15 10:58:49,525 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-02-15 10:58:49,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-02-15 10:58:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2023-02-15 10:58:49,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2023-02-15 10:58:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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)
[2023-02-15 10:58:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2023-02-15 10:58:49,578 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6
[2023-02-15 10:58:49,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-02-15 10:58:49,578 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2023-02-15 10:58:49,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-02-15 10:58:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2023-02-15 10:58:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-02-15 10:58:49,579 INFO L187 NwaCegarLoop]: Found error trace
[2023-02-15 10:58:49,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-02-15 10:58:49,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-02-15 10:58:49,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-02-15 10:58:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2023-02-15 10:58:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times
[2023-02-15 10:58:49,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-02-15 10:58:49,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333126967]
[2023-02-15 10:58:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-02-15 10:58:49,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-02-15 10:58:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-02-15 10:58:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:49,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-02-15 10:58:49,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333126967]
[2023-02-15 10:58:49,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333126967] provided 0 perfect and 1 imperfect interpolant sequences
[2023-02-15 10:58:49,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065738664]
[2023-02-15 10:58:49,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-02-15 10:58:49,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-02-15 10:58:49,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-02-15 10:58:49,711 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)
[2023-02-15 10:58:49,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-02-15 10:58:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-02-15 10:58:49,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-02-15 10:58:49,777 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2023-02-15 10:58:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:49,816 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2023-02-15 10:58:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:49,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065738664] provided 0 perfect and 2 imperfect interpolant sequences
[2023-02-15 10:58:49,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-02-15 10:58:49,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2023-02-15 10:58:49,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81733806]
[2023-02-15 10:58:49,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-02-15 10:58:49,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-02-15 10:58:49,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-02-15 10:58:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-02-15 10:58:49,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2023-02-15 10:58:49,844 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-02-15 10:58:49,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-02-15 10:58:49,871 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions.
[2023-02-15 10:58:49,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-02-15 10:58:49,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-02-15 10:58:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-02-15 10:58:49,872 INFO L225 Difference]: With dead ends: 15
[2023-02-15 10:58:49,872 INFO L226 Difference]: Without dead ends: 11
[2023-02-15 10:58:49,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56
[2023-02-15 10:58:49,874 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-02-15 10:58:49,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-02-15 10:58:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2023-02-15 10:58:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2023-02-15 10:58:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-02-15 10:58:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2023-02-15 10:58:49,879 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7
[2023-02-15 10:58:49,879 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-02-15 10:58:49,879 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2023-02-15 10:58:49,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-02-15 10:58:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2023-02-15 10:58:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-02-15 10:58:49,880 INFO L187 NwaCegarLoop]: Found error trace
[2023-02-15 10:58:49,880 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1]
[2023-02-15 10:58:49,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-02-15 10:58:50,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-02-15 10:58:50,086 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-02-15 10:58:50,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2023-02-15 10:58:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1922847381, now seen corresponding path program 2 times
[2023-02-15 10:58:50,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-02-15 10:58:50,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430809276]
[2023-02-15 10:58:50,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-02-15 10:58:50,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-02-15 10:58:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-02-15 10:58:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:50,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-02-15 10:58:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430809276]
[2023-02-15 10:58:50,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430809276] provided 0 perfect and 1 imperfect interpolant sequences
[2023-02-15 10:58:50,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089921894]
[2023-02-15 10:58:50,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-02-15 10:58:50,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-02-15 10:58:50,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-02-15 10:58:50,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-02-15 10:58:50,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-02-15 10:58:50,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-02-15 10:58:50,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-02-15 10:58:50,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-02-15 10:58:50,299 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2023-02-15 10:58:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:50,344 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2023-02-15 10:58:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:50,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089921894] provided 0 perfect and 2 imperfect interpolant sequences
[2023-02-15 10:58:50,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-02-15 10:58:50,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2023-02-15 10:58:50,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83016085]
[2023-02-15 10:58:50,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-02-15 10:58:50,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-02-15 10:58:50,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-02-15 10:58:50,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-02-15 10:58:50,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156
[2023-02-15 10:58:50,418 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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)
[2023-02-15 10:58:50,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-02-15 10:58:50,652 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions.
[2023-02-15 10:58:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-02-15 10:58:50,654 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2023-02-15 10:58:50,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-02-15 10:58:50,655 INFO L225 Difference]: With dead ends: 21
[2023-02-15 10:58:50,655 INFO L226 Difference]: Without dead ends: 17
[2023-02-15 10:58:50,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272
[2023-02-15 10:58:50,656 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-02-15 10:58:50,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-02-15 10:58:50,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2023-02-15 10:58:50,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2023-02-15 10:58:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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)
[2023-02-15 10:58:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions.
[2023-02-15 10:58:50,667 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10
[2023-02-15 10:58:50,667 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-02-15 10:58:50,667 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions.
[2023-02-15 10:58:50,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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)
[2023-02-15 10:58:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions.
[2023-02-15 10:58:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-02-15 10:58:50,668 INFO L187 NwaCegarLoop]: Found error trace
[2023-02-15 10:58:50,668 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1]
[2023-02-15 10:58:50,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-02-15 10:58:50,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2023-02-15 10:58:50,874 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-02-15 10:58:50,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2023-02-15 10:58:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1628318539, now seen corresponding path program 3 times
[2023-02-15 10:58:50,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-02-15 10:58:50,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802882555]
[2023-02-15 10:58:50,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-02-15 10:58:50,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-02-15 10:58:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-02-15 10:58:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-02-15 10:58:51,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-02-15 10:58:51,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802882555]
[2023-02-15 10:58:51,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802882555] provided 0 perfect and 1 imperfect interpolant sequences
[2023-02-15 10:58:51,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571975817]
[2023-02-15 10:58:51,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-02-15 10:58:51,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-02-15 10:58:51,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-02-15 10:58:51,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-02-15 10:58:51,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-02-15 10:58:51,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-02-15 10:58:51,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-02-15 10:58:51,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-02-15 10:58:51,270 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2023-02-15 10:58:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-02-15 10:58:51,326 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2023-02-15 10:58:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2023-02-15 10:58:51,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571975817] provided 1 perfect and 1 imperfect interpolant sequences
[2023-02-15 10:58:51,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2023-02-15 10:58:51,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13, 5] total 17
[2023-02-15 10:58:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227828772]
[2023-02-15 10:58:51,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-02-15 10:58:51,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-02-15 10:58:51,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-02-15 10:58:51,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-02-15 10:58:51,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272
[2023-02-15 10:58:51,373 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2023-02-15 10:58:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-02-15 10:58:51,397 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2023-02-15 10:58:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-02-15 10:58:51,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2023-02-15 10:58:51,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-02-15 10:58:51,398 INFO L225 Difference]: With dead ends: 17
[2023-02-15 10:58:51,398 INFO L226 Difference]: Without dead ends: 0
[2023-02-15 10:58:51,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306
[2023-02-15 10:58:51,402 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-02-15 10:58:51,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-02-15 10:58:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-02-15 10:58:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-02-15 10:58:51,406 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)
[2023-02-15 10:58:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-02-15 10:58:51,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2023-02-15 10:58:51,407 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-02-15 10:58:51,407 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-02-15 10:58:51,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2023-02-15 10:58:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-02-15 10:58:51,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-02-15 10:58:51,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-02-15 10:58:51,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-02-15 10:58:51,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-02-15 10:58:51,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-02-15 10:58:51,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-02-15 10:58:51,668 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-02-15 10:58:51,668 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed.
[2023-02-15 10:58:51,668 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-02-15 10:58:51,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-02-15 10:58:51,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed.
[2023-02-15 10:58:51,669 INFO L895 garLoopResultBuilder]: At program point L16-2(lines 16 19) the Hoare annotation is: (or (= |ULTIMATE.start_main_~y~0#1| 0) (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 0))
[2023-02-15 10:58:51,669 INFO L899 garLoopResultBuilder]: For program point L16-3(lines 16 19) no Hoare annotation was computed.
[2023-02-15 10:58:51,670 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 22) no Hoare annotation was computed.
[2023-02-15 10:58:51,670 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed.
[2023-02-15 10:58:51,670 INFO L902 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: true
[2023-02-15 10:58:51,673 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1]
[2023-02-15 10:58:51,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-02-15 10:58:51,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:58:51 BoogieIcfgContainer
[2023-02-15 10:58:51,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-02-15 10:58:51,686 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-02-15 10:58:51,686 INFO L271 PluginConnector]: Initializing Witness Printer...
[2023-02-15 10:58:51,687 INFO L275 PluginConnector]: Witness Printer initialized
[2023-02-15 10:58:51,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:58:49" (3/4) ...
[2023-02-15 10:58:51,690 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-02-15 10:58:51,697 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-02-15 10:58:51,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-02-15 10:58:51,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-02-15 10:58:51,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-02-15 10:58:51,722 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2023-02-15 10:58:51,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-02-15 10:58:51,723 INFO L158 Benchmark]: Toolchain (without parser) took 3065.11ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 104.6MB in the beginning and 119.8MB in the end (delta: -15.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB.
[2023-02-15 10:58:51,724 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-02-15 10:58:51,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.32ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 94.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-02-15 10:58:51,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.71ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-02-15 10:58:51,724 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 151.0MB. Free memory was 92.9MB in the beginning and 92.0MB in the end (delta: 965.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-02-15 10:58:51,725 INFO L158 Benchmark]: RCFGBuilder took 209.67ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 83.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-02-15 10:58:51,725 INFO L158 Benchmark]: TraceAbstraction took 2555.77ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 82.5MB in the beginning and 121.9MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-02-15 10:58:51,725 INFO L158 Benchmark]: Witness Printer took 36.51ms. Allocated memory is still 182.5MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-02-15 10:58:51,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 204.32ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 94.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.71ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.16ms. Allocated memory is still 151.0MB. Free memory was 92.9MB in the beginning and 92.0MB in the end (delta: 965.0kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 209.67ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 83.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 2555.77ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 82.5MB in the beginning and 121.9MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 36.51ms. Allocated memory is still 182.5MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 7]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 27 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 13 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 151 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 5 NumberOfNonLiveVariables, 146 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 100/198 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 5]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: y == 0 || x % 4294967296 == 0
RESULT: Ultimate proved your program to be correct!
[2023-02-15 10:58:51,760 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...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE