./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y --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 64bit --witnessprinter.graph.data.programhash 07aee1a213388f511be96198bfb1df3a8f6aa54d1d332dfab8fc2fdcd2220999
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:16:22,808 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:16:22,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:16:22,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:16:22,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:16:22,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:16:22,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:16:22,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:16:22,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:16:22,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:16:22,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:16:22,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:16:22,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:16:22,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:16:22,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:16:22,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:16:22,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:16:22,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:16:22,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:16:22,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:16:22,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:16:22,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:16:22,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:16:22,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:16:22,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:16:22,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:16:22,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:16:22,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:16:22,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:16:22,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:16:22,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:16:22,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:16:22,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:16:22,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:16:22,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:16:22,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:16:22,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:16:22,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:16:22,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:16:22,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:16:22,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:16:22,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-11-13 18:16:23,050 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:16:23,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:16:23,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:16:23,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:16:23,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:16:23,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:16:23,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:16:23,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:16:23,056 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:16:23,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:16:23,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:16:23,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:16:23,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:16:23,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:16:23,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:16:23,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:16:23,060 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-11-13 18:16:23,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:16:23,060 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:16:23,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:16:23,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:16:23,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:16:23,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:16:23,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:16:23,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:16:23,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:16:23,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:16:23,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:16:23,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:16:23,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:16:23,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:16:23,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07aee1a213388f511be96198bfb1df3a8f6aa54d1d332dfab8fc2fdcd2220999
[2021-11-13 18:16:23,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:16:23,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:16:23,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:16:23,581 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:16:23,583 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:16:23,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c
[2021-11-13 18:16:23,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/data/c9b09f85d/0626aa22e33d4c9fb34b5af4a59f84ee/FLAG847f1dfe8
[2021-11-13 18:16:24,274 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:16:24,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c
[2021-11-13 18:16:24,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/data/c9b09f85d/0626aa22e33d4c9fb34b5af4a59f84ee/FLAG847f1dfe8
[2021-11-13 18:16:24,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/data/c9b09f85d/0626aa22e33d4c9fb34b5af4a59f84ee
[2021-11-13 18:16:24,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:16:24,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:16:24,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:16:24,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:16:24,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:16:24,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db73838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24, skipping insertion in model container
[2021-11-13 18:16:24,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:16:24,656 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:16:24,881 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:16:24,892 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:16:24,908 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:16:24,919 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:16:24,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24 WrapperNode
[2021-11-13 18:16:24,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:16:24,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:16:24,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:16:24,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:16:24,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:16:24,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:16:24,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:16:24,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:16:24,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:16:24,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:16:24,980 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:16:24,980 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:16:24,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (1/1) ...
[2021-11-13 18:16:24,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:16:25,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:16:25,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:25,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:16:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:16:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:16:25,282 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:16:25,282 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:16:25,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:25 BoogieIcfgContainer
[2021-11-13 18:16:25,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:16:25,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:16:25,287 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:16:25,291 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:16:25,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:16:24" (1/3) ...
[2021-11-13 18:16:25,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b79af89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:16:25, skipping insertion in model container
[2021-11-13 18:16:25,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:24" (2/3) ...
[2021-11-13 18:16:25,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b79af89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:16:25, skipping insertion in model container
[2021-11-13 18:16:25,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:25" (3/3) ...
[2021-11-13 18:16:25,295 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c
[2021-11-13 18:16:25,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:16:25,315 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-11-13 18:16:25,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:16:25,387 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:16:25,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-11-13 18:16:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-13 18:16:25,413 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:25,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:25,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 18:16:25,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash 889513677, now seen corresponding path program 1 times
[2021-11-13 18:16:25,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:25,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059590616]
[2021-11-13 18:16:25,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:25,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:16:25,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:25,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059590616]
[2021-11-13 18:16:25,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059590616] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:25,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:25,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:16:25,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545908269]
[2021-11-13 18:16:25,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:25,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:16:25,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:25,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:16:25,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:16:25,711 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 16 states have internal predecessors, (20), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:25,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:25,808 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions.
[2021-11-13 18:16:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:16:25,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-11-13 18:16:25,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:25,827 INFO L225 Difference]: With dead ends: 34
[2021-11-13 18:16:25,828 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 18:16:25,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:16:25,846 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 36 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.56ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.55ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:25,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 2.56ms Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 55.55ms Time]
[2021-11-13 18:16:25,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 18:16:25,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17.
[2021-11-13 18:16:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions.
[2021-11-13 18:16:25,900 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 6
[2021-11-13 18:16:25,902 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:25,902 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions.
[2021-11-13 18:16:25,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions.
[2021-11-13 18:16:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-13 18:16:25,904 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:25,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:25,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:16:25,907 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 18:16:25,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash 889513869, now seen corresponding path program 1 times
[2021-11-13 18:16:25,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:25,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008536798]
[2021-11-13 18:16:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:25,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:16:26,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:26,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008536798]
[2021-11-13 18:16:26,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008536798] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:26,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:26,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:16:26,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535346699]
[2021-11-13 18:16:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:26,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:16:26,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:26,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:16:26,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:16:26,016 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:26,105 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions.
[2021-11-13 18:16:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:16:26,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-11-13 18:16:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:26,109 INFO L225 Difference]: With dead ends: 22
[2021-11-13 18:16:26,110 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 18:16:26,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:16:26,119 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 22 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.62ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.67ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:26,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 5 Invalid, 22 Unknown, 0 Unchecked, 4.62ms Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 57.67ms Time]
[2021-11-13 18:16:26,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 18:16:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20.
[2021-11-13 18:16:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.5) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2021-11-13 18:16:26,133 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 6
[2021-11-13 18:16:26,134 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:26,134 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2021-11-13 18:16:26,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2021-11-13 18:16:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 18:16:26,135 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:26,136 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:26,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:16:26,136 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 18:16:26,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:26,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1805120262, now seen corresponding path program 1 times
[2021-11-13 18:16:26,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:26,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046952591]
[2021-11-13 18:16:26,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:26,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:16:26,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:26,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046952591]
[2021-11-13 18:16:26,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046952591] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:26,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:26,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:16:26,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937199017]
[2021-11-13 18:16:26,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:26,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:16:26,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:26,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:16:26,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:16:26,211 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:26,252 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions.
[2021-11-13 18:16:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:16:26,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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
[2021-11-13 18:16:26,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:26,256 INFO L225 Difference]: With dead ends: 21
[2021-11-13 18:16:26,256 INFO L226 Difference]: Without dead ends: 20
[2021-11-13 18:16:26,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:16:26,259 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.77ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:26,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 4 Invalid, 14 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 33.77ms Time]
[2021-11-13 18:16:26,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-11-13 18:16:26,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19.
[2021-11-13 18:16:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions.
[2021-11-13 18:16:26,270 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7
[2021-11-13 18:16:26,270 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:26,270 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions.
[2021-11-13 18:16:26,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions.
[2021-11-13 18:16:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 18:16:26,272 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:26,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:26,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:16:26,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 18:16:26,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:26,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1805126220, now seen corresponding path program 1 times
[2021-11-13 18:16:26,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:26,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973834719]
[2021-11-13 18:16:26,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:26,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:16:26,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:26,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973834719]
[2021-11-13 18:16:26,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973834719] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:26,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:26,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:16:26,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641481044]
[2021-11-13 18:16:26,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:26,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:16:26,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:26,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:16:26,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:16:26,340 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:26,374 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions.
[2021-11-13 18:16:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:16:26,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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
[2021-11-13 18:16:26,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:26,376 INFO L225 Difference]: With dead ends: 20
[2021-11-13 18:16:26,377 INFO L226 Difference]: Without dead ends: 19
[2021-11-13 18:16:26,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:16:26,379 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.69ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:26,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 4 Invalid, 16 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 19.69ms Time]
[2021-11-13 18:16:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-11-13 18:16:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18.
[2021-11-13 18:16:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions.
[2021-11-13 18:16:26,388 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 7
[2021-11-13 18:16:26,388 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:26,389 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions.
[2021-11-13 18:16:26,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions.
[2021-11-13 18:16:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-13 18:16:26,391 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:26,391 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:26,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:16:26,392 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 18:16:26,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:26,393 INFO L85 PathProgramCache]: Analyzing trace with hash -770249406, now seen corresponding path program 1 times
[2021-11-13 18:16:26,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:26,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960726158]
[2021-11-13 18:16:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:26,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-13 18:16:26,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:26,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960726158]
[2021-11-13 18:16:26,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960726158] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:26,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:26,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:16:26,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055286037]
[2021-11-13 18:16:26,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:26,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:16:26,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:26,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:16:26,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:16:26,467 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:26,542 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions.
[2021-11-13 18:16:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:16:26,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2021-11-13 18:16:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:26,546 INFO L225 Difference]: With dead ends: 22
[2021-11-13 18:16:26,546 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 18:16:26,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:16:26,554 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.46ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.73ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:26,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 5 Invalid, 23 Unknown, 0 Unchecked, 1.46ms Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 57.73ms Time]
[2021-11-13 18:16:26,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 18:16:26,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 13.
[2021-11-13 18:16:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2021-11-13 18:16:26,564 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10
[2021-11-13 18:16:26,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:26,565 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2021-11-13 18:16:26,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2021-11-13 18:16:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-13 18:16:26,566 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:26,566 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:26,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:16:26,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 18:16:26,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash -770249214, now seen corresponding path program 1 times
[2021-11-13 18:16:26,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:26,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015513975]
[2021-11-13 18:16:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:16:26,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:26,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015513975]
[2021-11-13 18:16:26,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015513975] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:16:26,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321005549]
[2021-11-13 18:16:26,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:26,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:16:26,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:16:26,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:16:26,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:16:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:26,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-11-13 18:16:26,747 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:16:26,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:16:26,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321005549] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:26,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:16:26,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2021-11-13 18:16:26,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531644796]
[2021-11-13 18:16:26,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:26,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:16:26,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:26,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:16:26,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:16:26,953 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:27,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:27,015 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions.
[2021-11-13 18:16:27,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:16:27,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2021-11-13 18:16:27,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:27,017 INFO L225 Difference]: With dead ends: 19
[2021-11-13 18:16:27,017 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:16:27,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:16:27,019 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.24ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:27,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 4 Invalid, 28 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 36.24ms Time]
[2021-11-13 18:16:27,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:16:27,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:16:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:16:27,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2021-11-13 18:16:27,023 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:27,023 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:16:27,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:16:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:16:27,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:16:27,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2021-11-13 18:16:27,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2021-11-13 18:16:27,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2021-11-13 18:16:27,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2021-11-13 18:16:27,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:27,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:16:27,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:16:27,388 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-11-13 18:16:27,388 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:16:27,389 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed.
[2021-11-13 18:16:27,389 INFO L854 garLoopResultBuilder]: At program point L27(lines 13 28) the Hoare annotation is: (<= |ULTIMATE.start_main_~n~0#1| 2147483647)
[2021-11-13 18:16:27,389 INFO L858 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed.
[2021-11-13 18:16:27,390 INFO L858 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed.
[2021-11-13 18:16:27,390 INFO L858 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-11-13 18:16:27,390 INFO L858 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-11-13 18:16:27,390 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 26) no Hoare annotation was computed.
[2021-11-13 18:16:27,391 INFO L858 garLoopResultBuilder]: For program point L17-1(lines 17 26) no Hoare annotation was computed.
[2021-11-13 18:16:27,391 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:16:27,391 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-11-13 18:16:27,392 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed.
[2021-11-13 18:16:27,394 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:16:27,395 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:16:27,395 INFO L858 garLoopResultBuilder]: For program point L20(lines 20 24) no Hoare annotation was computed.
[2021-11-13 18:16:27,396 INFO L854 garLoopResultBuilder]: At program point L20-2(lines 19 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (< 0 |ULTIMATE.start_main_~m~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 2147483647))
[2021-11-13 18:16:27,410 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:27,417 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:16:27,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:16:27 BoogieIcfgContainer
[2021-11-13 18:16:27,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:16:27,445 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:16:27,445 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:16:27,445 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:16:27,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:25" (3/4) ...
[2021-11-13 18:16:27,450 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:16:27,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 18:16:27,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-11-13 18:16:27,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:16:27,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:16:27,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:16:27,523 INFO L158 Benchmark]: Toolchain (without parser) took 2903.17ms. Allocated memory is still 111.1MB. Free memory was 72.1MB in the beginning and 59.9MB in the end (delta: 12.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB.
[2021-11-13 18:16:27,524 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 88.1MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:16:27,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.10ms. Allocated memory is still 111.1MB. Free memory was 71.9MB in the beginning and 87.7MB in the end (delta: -15.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:16:27,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.46ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:16:27,525 INFO L158 Benchmark]: Boogie Preprocessor took 20.07ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 85.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:16:27,526 INFO L158 Benchmark]: RCFGBuilder took 305.28ms. Allocated memory is still 111.1MB. Free memory was 85.3MB in the beginning and 76.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:16:27,526 INFO L158 Benchmark]: TraceAbstraction took 2156.88ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 62.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB.
[2021-11-13 18:16:27,527 INFO L158 Benchmark]: Witness Printer took 77.94ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 59.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:16:27,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 88.1MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 298.10ms. Allocated memory is still 111.1MB. Free memory was 71.9MB in the beginning and 87.7MB in the end (delta: -15.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.46ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.07ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 85.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 305.28ms. Allocated memory is still 111.1MB. Free memory was 85.3MB in the beginning and 76.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2156.88ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 62.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB.
* Witness Printer took 77.94ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 59.9MB in the end (delta: 2.7MB). 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: 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
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 17 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 260.66ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 201.41ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 22 mSDtfsCounter, 112 mSolverCounterSat, 11.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=2, InterpolantAutomatonStates: 24, 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, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 16 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 359 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 1 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 5/8 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
4 specifications checked. All of them hold
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: n <= 2147483647
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: ((n <= 2147483647 && i <= 2147483647) && 0 < m) && m <= 2147483647
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:16:27,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3514c578-626e-42fb-97b0-f2ae16dce4ea/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE