./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/freire1-both-t.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-nla/freire1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd092a6766612bbc84c4d30e8cb08b7ea7e92d604046ccadae0abd9f6c96c3d7
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 12:23:37,543 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 12:23:37,619 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 12:23:37,624 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 12:23:37,625 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 12:23:37,661 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 12:23:37,661 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 12:23:37,662 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 12:23:37,662 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 12:23:37,663 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 12:23:37,663 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 12:23:37,664 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 12:23:37,668 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 12:23:37,668 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 12:23:37,669 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 12:23:37,669 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 12:23:37,672 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 12:23:37,673 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 12:23:37,673 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 12:23:37,674 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 12:23:37,674 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 12:23:37,675 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 12:23:37,679 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 12:23:37,679 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 12:23:37,680 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 12:23:37,680 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 12:23:37,680 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 12:23:37,681 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 12:23:37,681 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 12:23:37,681 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 12:23:37,682 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 12:23:37,682 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 12:23:37,682 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 12:23:37,683 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 12:23:37,683 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:23:37,683 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 12:23:37,684 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 12:23:37,684 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 12:23:37,684 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 12:23:37,684 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 12:23:37,685 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 12:23:37,685 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 12:23:37,686 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 12:23:37,687 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 12:23:37,687 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/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_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd092a6766612bbc84c4d30e8cb08b7ea7e92d604046ccadae0abd9f6c96c3d7
[2024-11-08 12:23:38,018 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 12:23:38,044 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 12:23:38,048 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 12:23:38,049 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 12:23:38,050 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 12:23:38,051 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-nla/freire1-both-t.c
Unable to find full path for "g++"
[2024-11-08 12:23:39,999 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 12:23:40,180 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 12:23:40,181 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/sv-benchmarks/c/termination-nla/freire1-both-t.c
[2024-11-08 12:23:40,190 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/data/0ad1f5bda/8cc7b451edac4f26a7d74d4fc03588b4/FLAGe6c628d7d
[2024-11-08 12:23:40,559 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/data/0ad1f5bda/8cc7b451edac4f26a7d74d4fc03588b4
[2024-11-08 12:23:40,561 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 12:23:40,563 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 12:23:40,564 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 12:23:40,565 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 12:23:40,574 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 12:23:40,574 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,576 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1daad549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40, skipping insertion in model container
[2024-11-08 12:23:40,576 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,596 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 12:23:40,818 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:23:40,824 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 12:23:40,840 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:23:40,857 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 12:23:40,857 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40 WrapperNode
[2024-11-08 12:23:40,858 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 12:23:40,859 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 12:23:40,859 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 12:23:40,859 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 12:23:40,867 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,872 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,890 INFO  L138                Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40
[2024-11-08 12:23:40,890 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 12:23:40,891 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 12:23:40,891 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 12:23:40,891 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 12:23:40,903 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,903 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,904 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,912 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-11-08 12:23:40,916 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,917 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,919 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,926 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,930 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,930 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,932 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 12:23:40,933 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 12:23:40,933 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 12:23:40,937 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 12:23:40,938 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (1/1) ...
[2024-11-08 12:23:40,946 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:23:40,959 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:23:40,973 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 12:23:40,979 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 12:23:41,013 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 12:23:41,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 12:23:41,077 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 12:23:41,079 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 12:23:41,283 INFO  L?                        ?]: Removed 40 outVars from TransFormulas that were not future-live.
[2024-11-08 12:23:41,284 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 12:23:41,301 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 12:23:41,301 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 12:23:41,303 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:41 BoogieIcfgContainer
[2024-11-08 12:23:41,305 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 12:23:41,309 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 12:23:41,310 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 12:23:41,314 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 12:23:41,314 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:23:40" (1/3) ...
[2024-11-08 12:23:41,315 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3ea81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:41, skipping insertion in model container
[2024-11-08 12:23:41,316 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:40" (2/3) ...
[2024-11-08 12:23:41,316 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3ea81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:41, skipping insertion in model container
[2024-11-08 12:23:41,316 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:41" (3/3) ...
[2024-11-08 12:23:41,318 INFO  L112   eAbstractionObserver]: Analyzing ICFG freire1-both-t.c
[2024-11-08 12:23:41,338 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 12:23:41,339 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations.
[2024-11-08 12:23:41,415 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 12:23:41,424 INFO  L333      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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@346d0ca8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 12:23:41,425 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2024-11-08 12:23:41,430 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 43 states, 24 states have (on average 1.8333333333333333) internal successors, (44), 42 states have internal predecessors, (44), 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)
[2024-11-08 12:23:41,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-08 12:23:41,439 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 12:23:41,440 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-08 12:23:41,440 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-11-08 12:23:41,447 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:41,448 INFO  L85        PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times
[2024-11-08 12:23:41,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:41,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374846761]
[2024-11-08 12:23:41,460 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:41,461 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:41,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:41,685 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 12:23:41,689 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:41,690 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374846761]
[2024-11-08 12:23:41,691 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374846761] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:23:41,691 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:23:41,692 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 12:23:41,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368214550]
[2024-11-08 12:23:41,698 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:23:41,702 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 12:23:41,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:41,724 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 12:23:41,724 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:41,726 INFO  L87              Difference]: Start difference. First operand  has 43 states, 24 states have (on average 1.8333333333333333) internal successors, (44), 42 states have internal predecessors, (44), 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 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2024-11-08 12:23:41,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:41,816 INFO  L93              Difference]: Finished difference Result 47 states and 47 transitions.
[2024-11-08 12:23:41,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 12:23:41,819 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3
[2024-11-08 12:23:41,819 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:41,826 INFO  L225             Difference]: With dead ends: 47
[2024-11-08 12:23:41,826 INFO  L226             Difference]: Without dead ends: 37
[2024-11-08 12:23:41,829 INFO  L431           NwaCegarLoop]: 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
[2024-11-08 12:23:41,833 INFO  L432           NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 12:23:41,834 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 23 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 12:23:41,853 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-08 12:23:41,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-08 12:23:41,874 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 36 states have internal predecessors, (37), 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)
[2024-11-08 12:23:41,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions.
[2024-11-08 12:23:41,878 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 3
[2024-11-08 12:23:41,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:41,879 INFO  L471      AbstractCegarLoop]: Abstraction has 37 states and 37 transitions.
[2024-11-08 12:23:41,879 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2024-11-08 12:23:41,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions.
[2024-11-08 12:23:41,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-08 12:23:41,880 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 12:23:41,880 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-08 12:23:41,881 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 12:23:41,882 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-11-08 12:23:41,883 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:41,883 INFO  L85        PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times
[2024-11-08 12:23:41,883 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:41,884 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935218576]
[2024-11-08 12:23:41,884 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:41,884 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:41,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:42,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 12:23:42,011 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:42,012 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935218576]
[2024-11-08 12:23:42,012 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935218576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:23:42,012 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:23:42,012 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 12:23:42,013 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945113438]
[2024-11-08 12:23:42,013 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:23:42,016 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 12:23:42,017 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:42,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 12:23:42,018 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 12:23:42,018 INFO  L87              Difference]: Start difference. First operand 37 states and 37 transitions. Second operand  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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)
[2024-11-08 12:23:42,076 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:42,076 INFO  L93              Difference]: Finished difference Result 37 states and 37 transitions.
[2024-11-08 12:23:42,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 12:23:42,077 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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
[2024-11-08 12:23:42,077 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:42,078 INFO  L225             Difference]: With dead ends: 37
[2024-11-08 12:23:42,078 INFO  L226             Difference]: Without dead ends: 34
[2024-11-08 12:23:42,078 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 12:23:42,079 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 26 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 12:23:42,080 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 19 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 12:23:42,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2024-11-08 12:23:42,084 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2024-11-08 12:23:42,085 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 34 states, 21 states have (on average 1.619047619047619) internal successors, (34), 33 states have internal predecessors, (34), 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)
[2024-11-08 12:23:42,086 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions.
[2024-11-08 12:23:42,086 INFO  L78                 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 4
[2024-11-08 12:23:42,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:42,087 INFO  L471      AbstractCegarLoop]: Abstraction has 34 states and 34 transitions.
[2024-11-08 12:23:42,087 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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)
[2024-11-08 12:23:42,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions.
[2024-11-08 12:23:42,087 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-08 12:23:42,088 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 12:23:42,088 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:42,088 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 12:23:42,088 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-11-08 12:23:42,089 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:42,089 INFO  L85        PathProgramCache]: Analyzing trace with hash 889476006, now seen corresponding path program 1 times
[2024-11-08 12:23:42,089 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:42,090 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148699805]
[2024-11-08 12:23:42,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:42,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:42,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 12:23:42,109 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1056775146]
[2024-11-08 12:23:42,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:42,110 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:23:42,110 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:23:42,112 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 12:23:42,119 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 12:23:42,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:42,156 INFO  L255         TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 12:23:42,162 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:23:42,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 12:23:42,184 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 12:23:42,185 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:42,185 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148699805]
[2024-11-08 12:23:42,185 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 12:23:42,186 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056775146]
[2024-11-08 12:23:42,186 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056775146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:23:42,186 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:23:42,186 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 12:23:42,187 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037954064]
[2024-11-08 12:23:42,187 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:23:42,191 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 12:23:42,192 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:42,192 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 12:23:42,192 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:42,193 INFO  L87              Difference]: Start difference. First operand 34 states and 34 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)
[2024-11-08 12:23:42,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:42,321 INFO  L93              Difference]: Finished difference Result 56 states and 64 transitions.
[2024-11-08 12:23:42,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 12:23:42,322 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
[2024-11-08 12:23:42,322 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:42,323 INFO  L225             Difference]: With dead ends: 56
[2024-11-08 12:23:42,323 INFO  L226             Difference]: Without dead ends: 53
[2024-11-08 12:23:42,324 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:42,325 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 12:23:42,326 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 12:23:42,327 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-08 12:23:42,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51.
[2024-11-08 12:23:42,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 38 states have (on average 1.605263157894737) internal successors, (61), 50 states have internal predecessors, (61), 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)
[2024-11-08 12:23:42,338 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions.
[2024-11-08 12:23:42,339 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 6
[2024-11-08 12:23:42,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:42,339 INFO  L471      AbstractCegarLoop]: Abstraction has 51 states and 61 transitions.
[2024-11-08 12:23:42,340 INFO  L472      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)
[2024-11-08 12:23:42,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions.
[2024-11-08 12:23:42,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-08 12:23:42,342 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 12:23:42,342 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:42,363 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 12:23:42,543 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:23:42,544 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2024-11-08 12:23:42,544 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:42,544 INFO  L85        PathProgramCache]: Analyzing trace with hash 87951304, now seen corresponding path program 1 times
[2024-11-08 12:23:42,544 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:42,545 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917657982]
[2024-11-08 12:23:42,545 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:42,545 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:42,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 12:23:42,559 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36939453]
[2024-11-08 12:23:42,560 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:42,560 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:23:42,560 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:23:42,562 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 12:23:42,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 12:23:42,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:23:42,604 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 12:23:42,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:23:42,622 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 12:23:42,622 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 12:23:42,624 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining)
[2024-11-08 12:23:42,626 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining)
[2024-11-08 12:23:42,627 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining)
[2024-11-08 12:23:42,627 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining)
[2024-11-08 12:23:42,627 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining)
[2024-11-08 12:23:42,628 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining)
[2024-11-08 12:23:42,628 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining)
[2024-11-08 12:23:42,628 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining)
[2024-11-08 12:23:42,628 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining)
[2024-11-08 12:23:42,629 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining)
[2024-11-08 12:23:42,629 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining)
[2024-11-08 12:23:42,629 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining)
[2024-11-08 12:23:42,630 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining)
[2024-11-08 12:23:42,630 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining)
[2024-11-08 12:23:42,630 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining)
[2024-11-08 12:23:42,630 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining)
[2024-11-08 12:23:42,631 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining)
[2024-11-08 12:23:42,631 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining)
[2024-11-08 12:23:42,652 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 12:23:42,835 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:23:42,838 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 12:23:42,853 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 12:23:42,856 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:23:42 BoogieIcfgContainer
[2024-11-08 12:23:42,856 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 12:23:42,857 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 12:23:42,857 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 12:23:42,857 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 12:23:42,858 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:41" (3/4) ...
[2024-11-08 12:23:42,858 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 12:23:42,896 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 12:23:42,896 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 12:23:42,897 INFO  L158              Benchmark]: Toolchain (without parser) took 2334.48ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 68.2MB in the end (delta: 69.1MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB.
[2024-11-08 12:23:42,897 INFO  L158              Benchmark]: CDTParser took 1.16ms. Allocated memory is still 121.6MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:23:42,897 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 293.67ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 135.3MB in the end (delta: 2.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 12:23:42,898 INFO  L158              Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 134.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:23:42,898 INFO  L158              Benchmark]: Boogie Preprocessor took 41.02ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 132.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:23:42,898 INFO  L158              Benchmark]: RCFGBuilder took 372.63ms. Allocated memory is still 169.9MB. Free memory was 132.2MB in the beginning and 119.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 12:23:42,899 INFO  L158              Benchmark]: TraceAbstraction took 1547.38ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 69.2MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB.
[2024-11-08 12:23:42,899 INFO  L158              Benchmark]: Witness Printer took 39.28ms. Allocated memory is still 169.9MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:23:42,904 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.16ms. Allocated memory is still 121.6MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 293.67ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 135.3MB in the end (delta: 2.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 134.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 41.02ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 132.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 372.63ms. Allocated memory is still 169.9MB. Free memory was 132.2MB in the beginning and 119.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1547.38ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 69.2MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB.
 * Witness Printer took 39.28ms. Allocated memory is still 169.9MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 33]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L25]        int r;
[L27]        int x;
[L28]        int a = __VERIFIER_nondet_int();
[L29]  EXPR  a / 2
[L29]        x = a / 2
[L30]        r = 0
[L31]        int c = 0;
[L31]        int k = __VERIFIER_nondet_int();
[L33]  EXPR  r*r
       VAL   [a=-2147483648, c=0, k=0, r=0, x=-1073741824]
[L33]        r*r - a
       VAL   [c=0, k=0, x=-1073741824]

  - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 38]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 38]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 43 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 48 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 12:23:42,941 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0f72db0-4795-4425-a034-3bf36c6f2832/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)