./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Piecewise.c --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Piecewise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD --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 ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593
....................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-29 00:03:36,453 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-29 00:03:36,455 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-29 00:03:36,526 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-29 00:03:36,527 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-29 00:03:36,528 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-29 00:03:36,530 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-29 00:03:36,533 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-29 00:03:36,536 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-29 00:03:36,538 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-29 00:03:36,539 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-29 00:03:36,542 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-29 00:03:36,542 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-29 00:03:36,544 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-29 00:03:36,546 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-29 00:03:36,549 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-29 00:03:36,550 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-29 00:03:36,552 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-29 00:03:36,563 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-29 00:03:36,567 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-29 00:03:36,570 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-29 00:03:36,572 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-29 00:03:36,574 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-29 00:03:36,575 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-29 00:03:36,580 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-29 00:03:36,592 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-29 00:03:36,593 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-29 00:03:36,594 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-29 00:03:36,595 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-29 00:03:36,596 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-29 00:03:36,597 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-29 00:03:36,598 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-29 00:03:36,601 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-29 00:03:36,602 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-29 00:03:36,606 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-29 00:03:36,607 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-29 00:03:36,608 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-29 00:03:36,609 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-29 00:03:36,609 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-29 00:03:36,610 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-29 00:03:36,611 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-29 00:03:36,612 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-29 00:03:36,645 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-29 00:03:36,645 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-29 00:03:36,646 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-29 00:03:36,646 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-29 00:03:36,647 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-29 00:03:36,648 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-29 00:03:36,648 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-29 00:03:36,648 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-29 00:03:36,649 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-29 00:03:36,649 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-29 00:03:36,649 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-29 00:03:36,650 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-29 00:03:36,650 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-29 00:03:36,650 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-29 00:03:36,650 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-29 00:03:36,651 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-29 00:03:36,651 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-29 00:03:36,651 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-29 00:03:36,652 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-29 00:03:36,652 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-29 00:03:36,652 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-29 00:03:36,652 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-29 00:03:36,653 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-29 00:03:36,653 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-29 00:03:36,667 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-29 00:03:36,668 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-29 00:03:36,668 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-29 00:03:36,668 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-29 00:03:36,669 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-29 00:03:36,669 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_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/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_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD
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 -> ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593
[2021-10-29 00:03:36,968 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-29 00:03:36,994 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-29 00:03:36,997 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-29 00:03:36,999 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-29 00:03:37,000 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-29 00:03:37,001 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted/Piecewise.c
[2021-10-29 00:03:37,070 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/data/dea3988bd/f4b0583aa9974c71828520e789cd700f/FLAG2af2daea8
[2021-10-29 00:03:37,584 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-29 00:03:37,585 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/sv-benchmarks/c/termination-crafted/Piecewise.c
[2021-10-29 00:03:37,598 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/data/dea3988bd/f4b0583aa9974c71828520e789cd700f/FLAG2af2daea8
[2021-10-29 00:03:37,950 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/data/dea3988bd/f4b0583aa9974c71828520e789cd700f
[2021-10-29 00:03:37,953 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-29 00:03:37,954 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-29 00:03:37,961 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-29 00:03:37,961 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-29 00:03:37,966 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-29 00:03:37,966 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:37" (1/1) ...
[2021-10-29 00:03:37,968 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b17d842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:37, skipping insertion in model container
[2021-10-29 00:03:37,970 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:37" (1/1) ...
[2021-10-29 00:03:37,978 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-29 00:03:38,001 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-29 00:03:38,140 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 00:03:38,144 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-29 00:03:38,161 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 00:03:38,192 INFO  L208         MainTranslator]: Completed translation
[2021-10-29 00:03:38,192 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38 WrapperNode
[2021-10-29 00:03:38,193 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-29 00:03:38,194 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-29 00:03:38,194 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-29 00:03:38,194 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-29 00:03:38,200 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,204 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,223 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-29 00:03:38,224 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-29 00:03:38,224 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-29 00:03:38,225 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-29 00:03:38,233 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,233 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,234 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,234 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,236 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,240 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,241 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,242 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-29 00:03:38,243 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-29 00:03:38,243 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-29 00:03:38,243 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-29 00:03:38,250 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (1/1) ...
[2021-10-29 00:03:38,255 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-29 00:03:38,270 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-29 00:03:38,287 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-29 00:03:38,313 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-29 00:03:38,340 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-29 00:03:38,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-29 00:03:38,502 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-29 00:03:38,503 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-29 00:03:38,505 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:38 BoogieIcfgContainer
[2021-10-29 00:03:38,505 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-29 00:03:38,507 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-29 00:03:38,507 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-29 00:03:38,511 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-29 00:03:38,512 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:03:37" (1/3) ...
[2021-10-29 00:03:38,513 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e72bd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:38, skipping insertion in model container
[2021-10-29 00:03:38,513 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:38" (2/3) ...
[2021-10-29 00:03:38,514 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e72bd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:38, skipping insertion in model container
[2021-10-29 00:03:38,514 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:38" (3/3) ...
[2021-10-29 00:03:38,516 INFO  L111   eAbstractionObserver]: Analyzing ICFG Piecewise.c
[2021-10-29 00:03:38,521 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-29 00:03:38,521 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-10-29 00:03:38,566 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-29 00:03:38,573 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
[2021-10-29 00:03:38,574 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-10-29 00:03:38,590 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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)
[2021-10-29 00:03:38,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-29 00:03:38,595 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-29 00:03:38,596 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-10-29 00:03:38,597 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)] ===
[2021-10-29 00:03:38,603 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:03:38,604 INFO  L85        PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times
[2021-10-29 00:03:38,613 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:03:38,614 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433391481]
[2021-10-29 00:03:38,614 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:03:38,615 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:03:38,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:03:38,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:03:38,792 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:03:38,793 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433391481]
[2021-10-29 00:03:38,794 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433391481] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-29 00:03:38,795 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-29 00:03:38,795 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-29 00:03:38,797 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63273478]
[2021-10-29 00:03:38,803 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-29 00:03:38,803 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:03:38,828 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-29 00:03:38,829 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-29 00:03:38,831 INFO  L87              Difference]: Start difference. First operand  has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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)
[2021-10-29 00:03:38,911 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:03:38,912 INFO  L93              Difference]: Finished difference Result 20 states and 22 transitions.
[2021-10-29 00:03:38,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-29 00:03:38,914 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4
[2021-10-29 00:03:38,914 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:03:38,927 INFO  L225             Difference]: With dead ends: 20
[2021-10-29 00:03:38,937 INFO  L226             Difference]: Without dead ends: 11
[2021-10-29 00:03:38,940 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-29 00:03:38,989 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2021-10-29 00:03:39,002 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2021-10-29 00:03:39,004 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 8 states have (on average 1.625) 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)
[2021-10-29 00:03:39,004 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions.
[2021-10-29 00:03:39,006 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4
[2021-10-29 00:03:39,006 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:03:39,007 INFO  L470      AbstractCegarLoop]: Abstraction has 11 states and 13 transitions.
[2021-10-29 00:03:39,007 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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)
[2021-10-29 00:03:39,007 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions.
[2021-10-29 00:03:39,008 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 00:03:39,008 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-29 00:03:39,008 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-29 00:03:39,009 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-29 00:03:39,009 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)] ===
[2021-10-29 00:03:39,010 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:03:39,010 INFO  L85        PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times
[2021-10-29 00:03:39,010 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:03:39,011 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430215479]
[2021-10-29 00:03:39,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:03:39,011 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:03:39,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:03:39,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:03:39,046 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:03:39,046 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430215479]
[2021-10-29 00:03:39,047 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430215479] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-29 00:03:39,047 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-29 00:03:39,047 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-29 00:03:39,048 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083057275]
[2021-10-29 00:03:39,049 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-29 00:03:39,049 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:03:39,051 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-29 00:03:39,051 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-29 00:03:39,051 INFO  L87              Difference]: Start difference. First operand 11 states and 13 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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)
[2021-10-29 00:03:39,073 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:03:39,073 INFO  L93              Difference]: Finished difference Result 11 states and 13 transitions.
[2021-10-29 00:03:39,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-29 00:03:39,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5
[2021-10-29 00:03:39,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:03:39,075 INFO  L225             Difference]: With dead ends: 11
[2021-10-29 00:03:39,075 INFO  L226             Difference]: Without dead ends: 10
[2021-10-29 00:03:39,076 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-29 00:03:39,085 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2021-10-29 00:03:39,087 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2021-10-29 00:03:39,087 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 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)
[2021-10-29 00:03:39,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions.
[2021-10-29 00:03:39,088 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 5
[2021-10-29 00:03:39,088 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:03:39,089 INFO  L470      AbstractCegarLoop]: Abstraction has 10 states and 12 transitions.
[2021-10-29 00:03:39,089 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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)
[2021-10-29 00:03:39,089 INFO  L276                IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions.
[2021-10-29 00:03:39,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 00:03:39,090 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-29 00:03:39,090 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-29 00:03:39,091 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-29 00:03:39,091 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)] ===
[2021-10-29 00:03:39,092 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:03:39,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times
[2021-10-29 00:03:39,092 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:03:39,093 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995299969]
[2021-10-29 00:03:39,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:03:39,093 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:03:39,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:03:39,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:03:39,147 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:03:39,148 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995299969]
[2021-10-29 00:03:39,149 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995299969] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-29 00:03:39,150 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-29 00:03:39,151 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-29 00:03:39,151 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106571893]
[2021-10-29 00:03:39,152 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-29 00:03:39,153 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:03:39,157 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-29 00:03:39,159 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-29 00:03:39,160 INFO  L87              Difference]: Start difference. First operand 10 states and 12 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2021-10-29 00:03:39,199 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:03:39,200 INFO  L93              Difference]: Finished difference Result 11 states and 13 transitions.
[2021-10-29 00:03:39,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-29 00:03:39,201 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2021-10-29 00:03:39,201 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:03:39,201 INFO  L225             Difference]: With dead ends: 11
[2021-10-29 00:03:39,202 INFO  L226             Difference]: Without dead ends: 10
[2021-10-29 00:03:39,202 INFO  L786         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
[2021-10-29 00:03:39,203 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2021-10-29 00:03:39,214 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9.
[2021-10-29 00:03:39,214 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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)
[2021-10-29 00:03:39,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions.
[2021-10-29 00:03:39,215 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5
[2021-10-29 00:03:39,215 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:03:39,216 INFO  L470      AbstractCegarLoop]: Abstraction has 9 states and 11 transitions.
[2021-10-29 00:03:39,216 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2021-10-29 00:03:39,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions.
[2021-10-29 00:03:39,217 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-29 00:03:39,217 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-29 00:03:39,217 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-29 00:03:39,217 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-29 00:03:39,218 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)] ===
[2021-10-29 00:03:39,219 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:03:39,219 INFO  L85        PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times
[2021-10-29 00:03:39,219 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:03:39,220 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751176516]
[2021-10-29 00:03:39,220 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:03:39,220 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:03:39,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:03:39,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:03:39,282 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:03:39,282 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751176516]
[2021-10-29 00:03:39,283 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751176516] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-29 00:03:39,283 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-29 00:03:39,285 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-29 00:03:39,285 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544106319]
[2021-10-29 00:03:39,286 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-29 00:03:39,287 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:03:39,289 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-29 00:03:39,289 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-29 00:03:39,290 INFO  L87              Difference]: Start difference. First operand 9 states and 11 transitions. Second operand  has 3 states, 2 states have (on average 3.0) 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)
[2021-10-29 00:03:39,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:03:39,321 INFO  L93              Difference]: Finished difference Result 10 states and 12 transitions.
[2021-10-29 00:03:39,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-29 00:03:39,322 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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
[2021-10-29 00:03:39,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:03:39,323 INFO  L225             Difference]: With dead ends: 10
[2021-10-29 00:03:39,323 INFO  L226             Difference]: Without dead ends: 0
[2021-10-29 00:03:39,324 INFO  L786         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
[2021-10-29 00:03:39,325 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-29 00:03:39,325 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-29 00:03:39,325 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)
[2021-10-29 00:03:39,326 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-29 00:03:39,327 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2021-10-29 00:03:39,327 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:03:39,327 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-29 00:03:39,328 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) 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)
[2021-10-29 00:03:39,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-29 00:03:39,328 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-29 00:03:39,332 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-29 00:03:39,333 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-29 00:03:39,333 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-29 00:03:39,334 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-29 00:03:39,334 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-29 00:03:39,336 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-29 00:03:39,341 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-29 00:03:39,387 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-29 00:03:39,397 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2021-10-29 00:03:39,397 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-29 00:03:39,398 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed.
[2021-10-29 00:03:39,398 INFO  L853   garLoopResultBuilder]: At program point L31(lines 17 32) the Hoare annotation is: (<= ULTIMATE.start_main_~q~0 2147483647)
[2021-10-29 00:03:39,398 INFO  L857   garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed.
[2021-10-29 00:03:39,399 INFO  L857   garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed.
[2021-10-29 00:03:39,399 INFO  L857   garLoopResultBuilder]: For program point L23(lines 23 29) no Hoare annotation was computed.
[2021-10-29 00:03:39,399 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2021-10-29 00:03:39,400 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed.
[2021-10-29 00:03:39,400 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-29 00:03:39,400 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-29 00:03:39,400 INFO  L857   garLoopResultBuilder]: For program point L26(lines 26 29) no Hoare annotation was computed.
[2021-10-29 00:03:39,401 INFO  L857   garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed.
[2021-10-29 00:03:39,401 INFO  L853   garLoopResultBuilder]: At program point L26-2(lines 22 30) the Hoare annotation is: (and (<= ULTIMATE.start_main_~q~0 2147483647) (<= ULTIMATE.start_main_~p~0 2147483647))
[2021-10-29 00:03:39,401 INFO  L857   garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed.
[2021-10-29 00:03:39,402 INFO  L857   garLoopResultBuilder]: For program point L22-2(lines 22 30) no Hoare annotation was computed.
[2021-10-29 00:03:39,411 INFO  L731         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2021-10-29 00:03:39,412 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-29 00:03:39,430 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:03:39 BoogieIcfgContainer
[2021-10-29 00:03:39,431 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-29 00:03:39,432 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-29 00:03:39,433 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-29 00:03:39,433 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-29 00:03:39,434 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:38" (3/4) ...
[2021-10-29 00:03:39,437 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-29 00:03:39,450 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-10-29 00:03:39,450 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-10-29 00:03:39,504 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-29 00:03:39,504 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-29 00:03:39,507 INFO  L168              Benchmark]: Toolchain (without parser) took 1551.16 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 76.4 MB in the beginning and 98.1 MB in the end (delta: -21.7 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,507 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,508 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 231.97 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 85.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,508 INFO  L168              Benchmark]: Boogie Procedure Inliner took 29.81 ms. Allocated memory is still 109.1 MB. Free memory was 85.0 MB in the beginning and 83.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,509 INFO  L168              Benchmark]: Boogie Preprocessor took 17.87 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,512 INFO  L168              Benchmark]: RCFGBuilder took 262.54 ms. Allocated memory is still 109.1 MB. Free memory was 82.5 MB in the beginning and 74.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,513 INFO  L168              Benchmark]: TraceAbstraction took 923.54 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 100.9 MB in the end (delta: -26.8 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,514 INFO  L168              Benchmark]: Witness Printer took 72.25 ms. Allocated memory is still 132.1 MB. Free memory was 100.9 MB in the beginning and 98.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 00:03:39,520 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 231.97 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 85.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 29.81 ms. Allocated memory is still 109.1 MB. Free memory was 85.0 MB in the beginning and 83.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 17.87 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 262.54 ms. Allocated memory is still 109.1 MB. Free memory was 82.5 MB in the beginning and 74.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 923.54 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 100.9 MB in the end (delta: -26.8 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 72.25 ms. Allocated memory is still 132.1 MB. Free memory was 100.9 MB in the beginning and 98.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 24]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 24]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 27]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 27]: 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 26 SDslu, 0 SDs, 0 SdLazy, 37 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    4 specifications checked. All of them hold
  - InvariantResult [Line: 22]: Loop Invariant
    Derived loop invariant: q <= 2147483647 && p <= 2147483647
  - InvariantResult [Line: 17]: Loop Invariant
    Derived loop invariant: q <= 2147483647
RESULT: Ultimate proved your program to be correct!
[2021-10-29 00:03:39,586 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbeb24ff-1af3-4e84-8860-710d98382c41/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...