./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_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_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/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_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/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_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/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 04644acaf370bca62df88ff325ae014fc2f30d4bd602136cf797da96c10ed133
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:43:05,005 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:43:05,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:43:05,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:43:05,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:43:05,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:43:05,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:43:05,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:43:05,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:43:05,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:43:05,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:43:05,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:43:05,159 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:43:05,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:43:05,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:43:05,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:43:05,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:43:05,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:43:05,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:43:05,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:43:05,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:43:05,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:43:05,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:43:05,171 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:43:05,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:43:05,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:43:05,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:43:05,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:43:05,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:43:05,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:43:05,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:43:05,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:43:05,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:43:05,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:43:05,178 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:43:05,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:43:05,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:43:05,178 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:43:05,179 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_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04644acaf370bca62df88ff325ae014fc2f30d4bd602136cf797da96c10ed133
[2023-11-19 07:43:05,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:43:05,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:43:05,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:43:05,612 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:43:05,613 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:43:05,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_good.i
[2023-11-19 07:43:08,837 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:43:09,302 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:43:09,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_good.i
[2023-11-19 07:43:09,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/data/30338fd32/0adc22547c52478bbee654c036cd7cdc/FLAG69f476b9c
[2023-11-19 07:43:09,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/data/30338fd32/0adc22547c52478bbee654c036cd7cdc
[2023-11-19 07:43:09,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:43:09,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:43:09,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:43:09,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:43:09,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:43:09,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:09" (1/1) ...
[2023-11-19 07:43:09,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7323bc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:09, skipping insertion in model container
[2023-11-19 07:43:09,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:09" (1/1) ...
[2023-11-19 07:43:09,462 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:43:09,961 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:43:10,582 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:43:10,598 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:43:10,635 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:43:10,759 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:43:10,959 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:43:10,960 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:43:10,960 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:43:10,960 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:43:10,960 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:43:10,960 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:43:10,969 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:43:10,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10 WrapperNode
[2023-11-19 07:43:10,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:43:10,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:43:10,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:43:10,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:43:10,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,093 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124
[2023-11-19 07:43:11,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:43:11,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:43:11,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:43:11,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:43:11,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:43:11,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:43:11,132 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:43:11,132 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:43:11,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (1/1) ...
[2023-11-19 07:43:11,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:43:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:43:11,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:43:11,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:43:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2023-11-19 07:43:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-11-19 07:43:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure fgets
[2023-11-19 07:43:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2023-11-19 07:43:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-19 07:43:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:43:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2023-11-19 07:43:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:43:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:43:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:43:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:43:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2023-11-19 07:43:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:43:11,507 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:43:11,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:43:11,831 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:43:11,842 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:43:11,842 INFO L302 CfgBuilder]: Removed 6 assume(true) statements.
[2023-11-19 07:43:11,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:11 BoogieIcfgContainer
[2023-11-19 07:43:11,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:43:11,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:43:11,850 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:43:11,853 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:43:11,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:43:09" (1/3) ...
[2023-11-19 07:43:11,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5af50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:11, skipping insertion in model container
[2023-11-19 07:43:11,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:10" (2/3) ...
[2023-11-19 07:43:11,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5af50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:11, skipping insertion in model container
[2023-11-19 07:43:11,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:11" (3/3) ...
[2023-11-19 07:43:11,859 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_02_good.i
[2023-11-19 07:43:11,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:43:11,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-19 07:43:11,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:43:11,940 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;@5e73d910, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:43:11,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-19 07:43:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:43:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 07:43:11,971 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:11,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:11,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:11,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:11,978 INFO L85 PathProgramCache]: Analyzing trace with hash -171296224, now seen corresponding path program 1 times
[2023-11-19 07:43:11,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:11,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502848293]
[2023-11-19 07:43:11,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:11,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:12,229 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 07:43:12,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:12,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502848293]
[2023-11-19 07:43:12,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502848293] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:12,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:12,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:12,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653847605]
[2023-11-19 07:43:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:12,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:43:12,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:12,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:43:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:43:12,285 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 07:43:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:12,328 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions.
[2023-11-19 07:43:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:43:12,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12
[2023-11-19 07:43:12,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:12,342 INFO L225 Difference]: With dead ends: 114
[2023-11-19 07:43:12,342 INFO L226 Difference]: Without dead ends: 51
[2023-11-19 07:43:12,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:43:12,353 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:12,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:12,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2023-11-19 07:43:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2023-11-19 07:43:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 44 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions.
[2023-11-19 07:43:12,405 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 12
[2023-11-19 07:43:12,406 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:12,407 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions.
[2023-11-19 07:43:12,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 07:43:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions.
[2023-11-19 07:43:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:43:12,409 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:12,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:12,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:43:12,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:12,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:12,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1706494971, now seen corresponding path program 1 times
[2023-11-19 07:43:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:12,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137183984]
[2023-11-19 07:43:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:12,581 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 07:43:12,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:12,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137183984]
[2023-11-19 07:43:12,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137183984] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:12,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:12,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:12,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821478438]
[2023-11-19 07:43:12,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:12,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:12,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:12,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:12,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:12,587 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 07:43:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:12,642 INFO L93 Difference]: Finished difference Result 89 states and 105 transitions.
[2023-11-19 07:43:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14
[2023-11-19 07:43:12,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:12,647 INFO L225 Difference]: With dead ends: 89
[2023-11-19 07:43:12,647 INFO L226 Difference]: Without dead ends: 53
[2023-11-19 07:43:12,650 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 07:43:12,652 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 6 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:12,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 108 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:12,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2023-11-19 07:43:12,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2023-11-19 07:43:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 45 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions.
[2023-11-19 07:43:12,668 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 14
[2023-11-19 07:43:12,668 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:12,669 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions.
[2023-11-19 07:43:12,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 07:43:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions.
[2023-11-19 07:43:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 07:43:12,672 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:12,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:12,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:43:12,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:12,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1361736478, now seen corresponding path program 1 times
[2023-11-19 07:43:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:12,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602569166]
[2023-11-19 07:43:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:12,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:12,902 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 07:43:12,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:12,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602569166]
[2023-11-19 07:43:12,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602569166] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:12,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:12,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:12,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739450396]
[2023-11-19 07:43:12,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:12,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:12,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:12,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:12,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:12,906 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 07:43:12,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:12,927 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions.
[2023-11-19 07:43:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:12,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15
[2023-11-19 07:43:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:12,929 INFO L225 Difference]: With dead ends: 53
[2023-11-19 07:43:12,929 INFO L226 Difference]: Without dead ends: 52
[2023-11-19 07:43:12,930 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 07:43:12,931 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 4 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:12,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 99 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:12,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-11-19 07:43:12,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-11-19 07:43:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions.
[2023-11-19 07:43:12,943 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 15
[2023-11-19 07:43:12,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:12,944 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions.
[2023-11-19 07:43:12,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 07:43:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions.
[2023-11-19 07:43:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 07:43:12,946 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:12,946 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:12,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:43:12,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:12,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:12,947 INFO L85 PathProgramCache]: Analyzing trace with hash 614410729, now seen corresponding path program 1 times
[2023-11-19 07:43:12,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:12,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383029372]
[2023-11-19 07:43:12,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:43:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:43:13,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:13,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383029372]
[2023-11-19 07:43:13,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383029372] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:13,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:13,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:13,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901328348]
[2023-11-19 07:43:13,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:13,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:13,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:13,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:13,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:13,116 INFO L87 Difference]: Start difference. First operand 52 states and 62 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 07:43:13,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:13,145 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions.
[2023-11-19 07:43:13,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:13,146 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 24
[2023-11-19 07:43:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:13,148 INFO L225 Difference]: With dead ends: 76
[2023-11-19 07:43:13,148 INFO L226 Difference]: Without dead ends: 53
[2023-11-19 07:43:13,149 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 07:43:13,151 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:13,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 103 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:13,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2023-11-19 07:43:13,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2023-11-19 07:43:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.236842105263158) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions.
[2023-11-19 07:43:13,163 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 24
[2023-11-19 07:43:13,163 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:13,164 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions.
[2023-11-19 07:43:13,164 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 07:43:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions.
[2023-11-19 07:43:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:43:13,166 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:13,166 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:13,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:43:13,167 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:13,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:13,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1866863516, now seen corresponding path program 1 times
[2023-11-19 07:43:13,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:13,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557800664]
[2023-11-19 07:43:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:43:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:43:13,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557800664]
[2023-11-19 07:43:13,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557800664] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:13,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:13,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:13,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270953645]
[2023-11-19 07:43:13,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:13,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:13,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:13,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:13,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:13,290 INFO L87 Difference]: Start difference. First operand 53 states and 63 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 07:43:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:13,309 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions.
[2023-11-19 07:43:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:13,309 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 25
[2023-11-19 07:43:13,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:13,311 INFO L225 Difference]: With dead ends: 53
[2023-11-19 07:43:13,311 INFO L226 Difference]: Without dead ends: 52
[2023-11-19 07:43:13,312 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 07:43:13,313 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:13,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 96 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-11-19 07:43:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-11-19 07:43:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions.
[2023-11-19 07:43:13,324 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 25
[2023-11-19 07:43:13,324 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:13,324 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions.
[2023-11-19 07:43:13,325 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 07:43:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions.
[2023-11-19 07:43:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-19 07:43:13,326 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:13,327 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 07:43:13,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:43:13,327 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:13,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1243797917, now seen corresponding path program 1 times
[2023-11-19 07:43:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20992695]
[2023-11-19 07:43:13,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:13,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:43:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:43:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:43:13,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:13,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20992695]
[2023-11-19 07:43:13,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20992695] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:13,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:13,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:13,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226589632]
[2023-11-19 07:43:13,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:13,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:13,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:13,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:13,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:13,517 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:43:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:13,548 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions.
[2023-11-19 07:43:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:13,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31
[2023-11-19 07:43:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:13,551 INFO L225 Difference]: With dead ends: 52
[2023-11-19 07:43:13,551 INFO L226 Difference]: Without dead ends: 51
[2023-11-19 07:43:13,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 07:43:13,556 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:13,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2023-11-19 07:43:13,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2023-11-19 07:43:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions.
[2023-11-19 07:43:13,577 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 31
[2023-11-19 07:43:13,577 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:13,578 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions.
[2023-11-19 07:43:13,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:43:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions.
[2023-11-19 07:43:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2023-11-19 07:43:13,580 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:13,581 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 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 07:43:13,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:43:13,581 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:13,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash 96970361, now seen corresponding path program 1 times
[2023-11-19 07:43:13,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:13,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672571604]
[2023-11-19 07:43:13,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:13,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:43:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:43:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:43:13,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672571604]
[2023-11-19 07:43:13,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672571604] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:13,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:13,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:13,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901461040]
[2023-11-19 07:43:13,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:13,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:13,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:13,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:13,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:13,703 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:43:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:13,730 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions.
[2023-11-19 07:43:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:13,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32
[2023-11-19 07:43:13,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:13,736 INFO L225 Difference]: With dead ends: 51
[2023-11-19 07:43:13,736 INFO L226 Difference]: Without dead ends: 50
[2023-11-19 07:43:13,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 07:43:13,741 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:13,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2023-11-19 07:43:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2023-11-19 07:43:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions.
[2023-11-19 07:43:13,762 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 32
[2023-11-19 07:43:13,765 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:13,765 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions.
[2023-11-19 07:43:13,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:43:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions.
[2023-11-19 07:43:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2023-11-19 07:43:13,769 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:13,770 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:13,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:43:13,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:13,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:13,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2067940988, now seen corresponding path program 1 times
[2023-11-19 07:43:13,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:13,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747952293]
[2023-11-19 07:43:13,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:43:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:43:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:43:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:43:13,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:13,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747952293]
[2023-11-19 07:43:13,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747952293] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:13,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:13,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:13,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005976288]
[2023-11-19 07:43:13,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:13,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:13,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:13,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:13,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:13,879 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 07:43:13,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:13,898 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions.
[2023-11-19 07:43:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:13,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40
[2023-11-19 07:43:13,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:13,905 INFO L225 Difference]: With dead ends: 50
[2023-11-19 07:43:13,905 INFO L226 Difference]: Without dead ends: 49
[2023-11-19 07:43:13,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 07:43:13,909 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:13,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:13,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2023-11-19 07:43:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2023-11-19 07:43:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.131578947368421) internal successors, (43), 40 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:43:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions.
[2023-11-19 07:43:13,917 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 40
[2023-11-19 07:43:13,917 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:13,917 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions.
[2023-11-19 07:43:13,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 07:43:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions.
[2023-11-19 07:43:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-19 07:43:13,919 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:13,919 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:13,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:43:13,920 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:43:13,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash 318338954, now seen corresponding path program 1 times
[2023-11-19 07:43:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:43:13,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800715373]
[2023-11-19 07:43:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:43:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:43:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:43:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:43:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:43:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:43:14,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:43:14,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800715373]
[2023-11-19 07:43:14,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800715373] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:14,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:14,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:14,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033729638]
[2023-11-19 07:43:14,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:14,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:14,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:43:14,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:14,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:14,035 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 07:43:14,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:14,053 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions.
[2023-11-19 07:43:14,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:14,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41
[2023-11-19 07:43:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:14,056 INFO L225 Difference]: With dead ends: 49
[2023-11-19 07:43:14,056 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:43:14,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 07:43:14,061 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:14,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:43:14,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:43:14,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:43:14,062 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 07:43:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:43:14,063 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41
[2023-11-19 07:43:14,063 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:14,063 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:43:14,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 07:43:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:43:14,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:43:14,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2023-11-19 07:43:14,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2023-11-19 07:43:14,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2023-11-19 07:43:14,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2023-11-19 07:43:14,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2023-11-19 07:43:14,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2023-11-19 07:43:14,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2023-11-19 07:43:14,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2023-11-19 07:43:14,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:43:14,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:43:14,131 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true
[2023-11-19 07:43:14,131 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:43:14,132 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed.
[2023-11-19 07:43:14,132 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:43:14,132 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true
[2023-11-19 07:43:14,132 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:43:14,133 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:43:14,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed.
[2023-11-19 07:43:14,133 INFO L899 garLoopResultBuilder]: For program point L1654(lines 1654 1660) no Hoare annotation was computed.
[2023-11-19 07:43:14,133 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1601) no Hoare annotation was computed.
[2023-11-19 07:43:14,134 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1585 1615) no Hoare annotation was computed.
[2023-11-19 07:43:14,134 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)
[2023-11-19 07:43:14,134 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1548 1583) no Hoare annotation was computed.
[2023-11-19 07:43:14,134 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1661 1668) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1581) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: false
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed.
[2023-11-19 07:43:14,135 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed.
[2023-11-19 07:43:14,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed.
[2023-11-19 07:43:14,136 INFO L902 garLoopResultBuilder]: At program point L1664(line 1664) the Hoare annotation is: true
[2023-11-19 07:43:14,136 INFO L899 garLoopResultBuilder]: For program point L1664-1(line 1664) no Hoare annotation was computed.
[2023-11-19 07:43:14,136 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed.
[2023-11-19 07:43:14,136 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647))
[2023-11-19 07:43:14,136 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1592 1599) no Hoare annotation was computed.
[2023-11-19 07:43:14,136 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1636) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1644) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed.
[2023-11-19 07:43:14,137 INFO L899 garLoopResultBuilder]: For program point L1641-2(lines 1638 1653) no Hoare annotation was computed.
[2023-11-19 07:43:14,138 INFO L902 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: true
[2023-11-19 07:43:14,138 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)
[2023-11-19 07:43:14,138 INFO L899 garLoopResultBuilder]: For program point L1666-1(line 1666) no Hoare annotation was computed.
[2023-11-19 07:43:14,138 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed.
[2023-11-19 07:43:14,138 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1599) no Hoare annotation was computed.
[2023-11-19 07:43:14,138 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true
[2023-11-19 07:43:14,138 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed.
[2023-11-19 07:43:14,138 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1615) no Hoare annotation was computed.
[2023-11-19 07:43:14,139 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)
[2023-11-19 07:43:14,139 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed.
[2023-11-19 07:43:14,140 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false
[2023-11-19 07:43:14,144 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:43:14,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed.
[2023-11-19 07:43:14,144 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed.
[2023-11-19 07:43:14,144 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1583) no Hoare annotation was computed.
[2023-11-19 07:43:14,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:43:14,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed.
[2023-11-19 07:43:14,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed.
[2023-11-19 07:43:14,145 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647))
[2023-11-19 07:43:14,145 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed.
[2023-11-19 07:43:14,145 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1627) no Hoare annotation was computed.
[2023-11-19 07:43:14,145 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1617 1636) no Hoare annotation was computed.
[2023-11-19 07:43:14,146 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)
[2023-11-19 07:43:14,146 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed.
[2023-11-19 07:43:14,146 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1653) no Hoare annotation was computed.
[2023-11-19 07:43:14,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:14,151 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:43:14,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:43:14 BoogieIcfgContainer
[2023-11-19 07:43:14,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:43:14,158 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:43:14,158 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:43:14,158 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:43:14,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:11" (3/4) ...
[2023-11-19 07:43:14,161 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:43:14,166 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-11-19 07:43:14,166 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-11-19 07:43:14,175 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2023-11-19 07:43:14,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-11-19 07:43:14,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:43:14,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:43:14,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:43:14,306 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:43:14,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:43:14,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:43:14,308 INFO L158 Benchmark]: Toolchain (without parser) took 4955.16ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 116.6MB in the beginning and 166.9MB in the end (delta: -50.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:43:14,308 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:43:14,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1615.61ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 109.8MB in the end (delta: 6.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB.
[2023-11-19 07:43:14,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.39ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 105.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:43:14,312 INFO L158 Benchmark]: Boogie Preprocessor took 35.22ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:43:14,313 INFO L158 Benchmark]: RCFGBuilder took 715.17ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 87.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:43:14,314 INFO L158 Benchmark]: TraceAbstraction took 2308.26ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 86.7MB in the beginning and 172.1MB in the end (delta: -85.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB.
[2023-11-19 07:43:14,314 INFO L158 Benchmark]: Witness Printer took 149.14ms. Allocated memory is still 213.9MB. Free memory was 172.1MB in the beginning and 166.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:43:14,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1615.61ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 109.8MB in the end (delta: 6.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 124.39ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 105.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.22ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 715.17ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 87.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2308.26ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 86.7MB in the beginning and 172.1MB in the end (delta: -85.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB.
* Witness Printer took 149.14ms. Allocated memory is still 213.9MB. Free memory was 172.1MB in the beginning and 166.9MB in the end (delta: 5.2MB). 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: 1574]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1574]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1606]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1606]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1631]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1631]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1648]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1648]: 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, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 886 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 505 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 39 PreInvPairs, 47 NumberOfFragments, 42 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 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
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:43:14,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a067e137-9fbc-4ab0-9d0d-347c9fa6f4b5/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