./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_good.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu --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 64bit --witnessprinter.graph.data.programhash b970d073bfbf940a13258b003e2a536e13898f974076955a32adcfa2305d53d1
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:42:48,024 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:42:48,152 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:42:48,162 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:42:48,163 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:42:48,211 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:42:48,212 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:42:48,213 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:42:48,214 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:42:48,220 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:42:48,221 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:42:48,222 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:42:48,223 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:42:48,225 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:42:48,225 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:42:48,226 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:42:48,227 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:42:48,227 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:42:48,228 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:42:48,229 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:42:48,230 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:42:48,230 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:42:48,231 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:42:48,232 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:42:48,233 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:42:48,233 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:42:48,234 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:42:48,234 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:42:48,235 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:42:48,236 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:42:48,238 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:42:48,238 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:42:48,239 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:42:48,239 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:42:48,239 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:42:48,240 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:42:48,240 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:42:48,240 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:42:48,241 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_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/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_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b970d073bfbf940a13258b003e2a536e13898f974076955a32adcfa2305d53d1
[2023-11-19 07:42:48,611 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:42:48,652 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:42:48,656 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:42:48,657 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:42:48,658 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:42:48,660 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_good.i
[2023-11-19 07:42:51,943 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:42:52,432 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:42:52,433 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_good.i
[2023-11-19 07:42:52,466 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/data/e538936ef/fa054b5959824666b7c8acc206697105/FLAG5c7328e83
[2023-11-19 07:42:52,546 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/data/e538936ef/fa054b5959824666b7c8acc206697105
[2023-11-19 07:42:52,552 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:42:52,556 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:42:52,560 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:42:52,560 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:42:52,566 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:42:52,567 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:52" (1/1) ...
[2023-11-19 07:42:52,568 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2ecd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:52, skipping insertion in model container
[2023-11-19 07:42:52,568 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:52" (1/1) ...
[2023-11-19 07:42:52,636 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:42:53,097 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:42:53,641 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:42:53,652 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:42:53,674 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:42:53,747 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:42:53,934 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:53,934 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:53,934 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:53,934 WARN  L675               CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:53,935 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:53,943 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:42:53,944 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53 WrapperNode
[2023-11-19 07:42:53,944 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:42:53,945 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:42:53,946 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:42:53,946 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:42:53,970 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,016 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,067 INFO  L138                Inliner]: procedures = 503, calls = 73, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63
[2023-11-19 07:42:54,067 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:42:54,068 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:42:54,068 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:42:54,069 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:42:54,086 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,086 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,105 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,106 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,112 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,129 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,131 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,132 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,135 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:42:54,136 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:42:54,136 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:42:54,137 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:42:54,137 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ...
[2023-11-19 07:42:54,149 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:42:54,164 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:42:54,176 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:42:54,199 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:42:54,224 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2023-11-19 07:42:54,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-11-19 07:42:54,224 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-11-19 07:42:54,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-19 07:42:54,225 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:42:54,225 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:42:54,225 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:42:54,225 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:42:54,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:42:54,228 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:42:54,228 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-11-19 07:42:54,228 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:42:54,229 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:42:54,388 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:42:54,391 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:42:54,573 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:42:54,585 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:42:54,587 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:42:54,592 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:54 BoogieIcfgContainer
[2023-11-19 07:42:54,592 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:42:54,596 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:42:54,596 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:42:54,600 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:42:54,600 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:52" (1/3) ...
[2023-11-19 07:42:54,601 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89bbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:54, skipping insertion in model container
[2023-11-19 07:42:54,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (2/3) ...
[2023-11-19 07:42:54,603 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89bbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:54, skipping insertion in model container
[2023-11-19 07:42:54,604 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:54" (3/3) ...
[2023-11-19 07:42:54,605 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_63_good.i
[2023-11-19 07:42:54,626 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:42:54,627 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-19 07:42:54,688 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:42:54,693 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@667d36c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:42:54,694 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 07:42:54,697 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 37 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-19 07:42:54,707 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 07:42:54,707 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:42:54,708 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:42:54,709 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:42:54,717 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:42:54,717 INFO  L85        PathProgramCache]: Analyzing trace with hash 159012031, now seen corresponding path program 1 times
[2023-11-19 07:42:54,729 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:42:54,729 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286832011]
[2023-11-19 07:42:54,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:42:54,730 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:42:54,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,295 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:42:55,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,314 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:42:55,315 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:42:55,315 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286832011]
[2023-11-19 07:42:55,316 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286832011] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:42:55,316 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:42:55,316 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:42:55,318 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788141409]
[2023-11-19 07:42:55,319 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:42:55,323 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:42:55,324 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:42:55,354 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:42:55,355 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,357 INFO  L87              Difference]: Start difference. First operand  has 37 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:42:55,391 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:42:55,391 INFO  L93              Difference]: Finished difference Result 37 states and 43 transitions.
[2023-11-19 07:42:55,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:42:55,394 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10
[2023-11-19 07:42:55,395 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:42:55,401 INFO  L225             Difference]: With dead ends: 37
[2023-11-19 07:42:55,402 INFO  L226             Difference]: Without dead ends: 25
[2023-11-19 07:42:55,405 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,409 INFO  L413           NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:42:55,410 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 70 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:42:55,429 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2023-11-19 07:42:55,446 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2023-11-19 07:42:55,447 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:42:55,449 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions.
[2023-11-19 07:42:55,450 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 10
[2023-11-19 07:42:55,451 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:42:55,451 INFO  L495      AbstractCegarLoop]: Abstraction has 25 states and 26 transitions.
[2023-11-19 07:42:55,451 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:42:55,452 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions.
[2023-11-19 07:42:55,452 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 07:42:55,452 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:42:55,453 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:42:55,453 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:42:55,454 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:42:55,454 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:42:55,455 INFO  L85        PathProgramCache]: Analyzing trace with hash 634405716, now seen corresponding path program 1 times
[2023-11-19 07:42:55,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:42:55,455 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223227776]
[2023-11-19 07:42:55,455 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:42:55,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:42:55,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,522 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:42:55,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:42:55,533 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:42:55,533 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223227776]
[2023-11-19 07:42:55,533 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223227776] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:42:55,533 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:42:55,534 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:42:55,534 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032929983]
[2023-11-19 07:42:55,534 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:42:55,536 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:42:55,536 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:42:55,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:42:55,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,538 INFO  L87              Difference]: Start difference. First operand 25 states and 26 transitions. Second operand  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:42:55,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:42:55,568 INFO  L93              Difference]: Finished difference Result 33 states and 33 transitions.
[2023-11-19 07:42:55,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:42:55,570 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2023-11-19 07:42:55,571 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:42:55,572 INFO  L225             Difference]: With dead ends: 33
[2023-11-19 07:42:55,573 INFO  L226             Difference]: Without dead ends: 24
[2023-11-19 07:42:55,574 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,577 INFO  L413           NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:42:55,580 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 38 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:42:55,582 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2023-11-19 07:42:55,587 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2023-11-19 07:42:55,589 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:42:55,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2023-11-19 07:42:55,591 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 11
[2023-11-19 07:42:55,592 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:42:55,592 INFO  L495      AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2023-11-19 07:42:55,592 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:42:55,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2023-11-19 07:42:55,594 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-19 07:42:55,594 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:42:55,594 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:42:55,594 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:42:55,595 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:42:55,595 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:42:55,595 INFO  L85        PathProgramCache]: Analyzing trace with hash -475933891, now seen corresponding path program 1 times
[2023-11-19 07:42:55,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:42:55,596 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955875515]
[2023-11-19 07:42:55,596 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:42:55,596 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:42:55,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,750 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:42:55,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,762 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:42:55,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:42:55,774 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:42:55,774 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955875515]
[2023-11-19 07:42:55,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955875515] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:42:55,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:42:55,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:42:55,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569234049]
[2023-11-19 07:42:55,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:42:55,776 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:42:55,776 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:42:55,777 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:42:55,777 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,778 INFO  L87              Difference]: Start difference. First operand 24 states and 24 transitions. Second operand  has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:42:55,798 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:42:55,799 INFO  L93              Difference]: Finished difference Result 24 states and 24 transitions.
[2023-11-19 07:42:55,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:42:55,800 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21
[2023-11-19 07:42:55,801 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:42:55,802 INFO  L225             Difference]: With dead ends: 24
[2023-11-19 07:42:55,802 INFO  L226             Difference]: Without dead ends: 23
[2023-11-19 07:42:55,803 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,805 INFO  L413           NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:42:55,807 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:42:55,809 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2023-11-19 07:42:55,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2023-11-19 07:42:55,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:42:55,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions.
[2023-11-19 07:42:55,818 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21
[2023-11-19 07:42:55,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:42:55,819 INFO  L495      AbstractCegarLoop]: Abstraction has 23 states and 23 transitions.
[2023-11-19 07:42:55,836 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:42:55,836 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions.
[2023-11-19 07:42:55,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 07:42:55,837 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:42:55,837 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:42:55,837 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:42:55,837 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:42:55,838 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:42:55,839 INFO  L85        PathProgramCache]: Analyzing trace with hash -1869048664, now seen corresponding path program 1 times
[2023-11-19 07:42:55,839 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:42:55,839 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908582483]
[2023-11-19 07:42:55,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:42:55,840 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:42:55,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,979 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:42:55,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,987 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:42:55,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:42:55,998 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:42:55,998 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908582483]
[2023-11-19 07:42:55,998 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908582483] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:42:55,999 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:42:55,999 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:42:55,999 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941900205]
[2023-11-19 07:42:55,999 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:42:56,000 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:42:56,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:42:56,002 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:42:56,003 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:56,003 INFO  L87              Difference]: Start difference. First operand 23 states and 23 transitions. Second operand  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:42:56,022 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:42:56,022 INFO  L93              Difference]: Finished difference Result 23 states and 23 transitions.
[2023-11-19 07:42:56,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:42:56,023 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2023-11-19 07:42:56,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:42:56,024 INFO  L225             Difference]: With dead ends: 23
[2023-11-19 07:42:56,024 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:42:56,025 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:56,036 INFO  L413           NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:42:56,037 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:42:56,039 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:42:56,040 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:42:56,041 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:42:56,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:42:56,041 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2023-11-19 07:42:56,041 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:42:56,042 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:42:56,042 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:42:56,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:42:56,042 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:42:56,045 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-19 07:42:56,046 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-19 07:42:56,046 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-19 07:42:56,046 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-19 07:42:56,046 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:42:56,049 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:42:56,079 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true
[2023-11-19 07:42:56,080 INFO  L899   garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:42:56,081 INFO  L899   garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed.
[2023-11-19 07:42:56,081 INFO  L899   garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:42:56,081 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true
[2023-11-19 07:42:56,081 INFO  L899   garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:42:56,081 INFO  L899   garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:42:56,082 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed.
[2023-11-19 07:42:56,082 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:42:56,082 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed.
[2023-11-19 07:42:56,082 INFO  L902   garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: true
[2023-11-19 07:42:56,082 INFO  L902   garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: true
[2023-11-19 07:42:56,083 INFO  L899   garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed.
[2023-11-19 07:42:56,083 INFO  L899   garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed.
[2023-11-19 07:42:56,083 INFO  L899   garLoopResultBuilder]: For program point L1586(lines 1586 1601) no Hoare annotation was computed.
[2023-11-19 07:42:56,083 INFO  L899   garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed.
[2023-11-19 07:42:56,083 INFO  L899   garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed.
[2023-11-19 07:42:56,084 INFO  L899   garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed.
[2023-11-19 07:42:56,084 INFO  L899   garLoopResultBuilder]: For program point L1580(lines 1580 1584) no Hoare annotation was computed.
[2023-11-19 07:42:56,084 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:42:56,084 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 1569 1576) no Hoare annotation was computed.
[2023-11-19 07:42:56,084 INFO  L902   garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true
[2023-11-19 07:42:56,084 INFO  L899   garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed.
[2023-11-19 07:42:56,085 INFO  L902   garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true
[2023-11-19 07:42:56,086 INFO  L899   garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed.
[2023-11-19 07:42:56,086 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:42:56,086 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed.
[2023-11-19 07:42:56,086 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed.
[2023-11-19 07:42:56,087 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:42:56,087 INFO  L899   garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed.
[2023-11-19 07:42:56,087 INFO  L899   garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed.
[2023-11-19 07:42:56,087 INFO  L899   garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed.
[2023-11-19 07:42:56,087 INFO  L899   garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed.
[2023-11-19 07:42:56,087 INFO  L899   garLoopResultBuilder]: For program point L1589(lines 1589 1600) no Hoare annotation was computed.
[2023-11-19 07:42:56,088 INFO  L895   garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_63b_goodG2BSink_~data~2#1| 1) 0) (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_min_multiply_63b_goodG2BSink_~data~2#1| 2)))
[2023-11-19 07:42:56,088 INFO  L899   garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed.
[2023-11-19 07:42:56,088 INFO  L899   garLoopResultBuilder]: For program point L1577(lines 1577 1585) no Hoare annotation was computed.
[2023-11-19 07:42:56,094 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:42:56,097 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:42:56,103 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:42:56 BoogieIcfgContainer
[2023-11-19 07:42:56,103 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:42:56,103 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:42:56,104 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:42:56,104 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:42:56,104 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:54" (3/4) ...
[2023-11-19 07:42:56,108 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:42:56,112 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-11-19 07:42:56,113 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-11-19 07:42:56,123 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2023-11-19 07:42:56,124 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:42:56,125 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:42:56,125 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:42:56,232 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:42:56,232 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:42:56,233 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:42:56,233 INFO  L158              Benchmark]: Toolchain (without parser) took 3677.49ms. Allocated memory is still 176.2MB. Free memory was 143.6MB in the beginning and 119.3MB in the end (delta: 24.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,234 INFO  L158              Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:42:56,239 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1384.61ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 139.7MB in the end (delta: 3.3MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,240 INFO  L158              Benchmark]: Boogie Procedure Inliner took 122.36ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 141.6MB in the end (delta: -1.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,240 INFO  L158              Benchmark]: Boogie Preprocessor took 67.31ms. Allocated memory is still 176.2MB. Free memory was 141.6MB in the beginning and 140.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,241 INFO  L158              Benchmark]: RCFGBuilder took 456.72ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 125.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,241 INFO  L158              Benchmark]: TraceAbstraction took 1507.11ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 123.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,242 INFO  L158              Benchmark]: Witness Printer took 129.19ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 119.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:42:56,244 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1384.61ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 139.7MB in the end (delta: 3.3MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 122.36ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 141.6MB in the end (delta: -1.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 67.31ms. Allocated memory is still 176.2MB. Free memory was 141.6MB in the beginning and 140.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 456.72ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 125.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1507.11ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 123.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB.
 * Witness Printer took 129.19ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 119.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 1582]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1582]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1593]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1593]: 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 3 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 98 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 17 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 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
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:42:56,292 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf337a32-5730-4aa5-b1b3-ee157871dcaf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE