./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'd1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 d1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:40:45,873 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:40:45,959 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 21:40:45,964 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:40:45,964 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:40:45,994 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:40:45,994 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:40:45,994 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:40:45,994 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:40:45,994 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 21:40:45,995 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:40:45,995 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 21:40:45,995 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:40:45,995 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:40:45,996 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 21:40:45,996 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:40:45,996 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 21:40:45,996 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 21:40:45,996 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 21:40:45,996 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:40:45,996 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:40:45,999 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 21:40:45,999 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 21:40:46,000 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:40:46,000 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:40:46,000 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:40:46,001 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:40:46,001 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> d1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75
[2024-11-07 21:40:46,345 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:40:46,354 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:40:46,356 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:40:46,357 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 21:40:46,357 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 21:40:46,359 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i
[2024-11-07 21:40:47,662 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:40:48,059 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 21:40:48,059 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i
[2024-11-07 21:40:48,088 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c858e3ebd/ae76f4f3bfca4398b9bfd34606d9e5fc/FLAG204453bc2
[2024-11-07 21:40:48,104 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c858e3ebd/ae76f4f3bfca4398b9bfd34606d9e5fc
[2024-11-07 21:40:48,108 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:40:48,110 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:40:48,112 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:40:48,112 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:40:48,116 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:40:48,117 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:40:48" (1/1) ...
[2024-11-07 21:40:48,117 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1d2b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:48, skipping insertion in model container
[2024-11-07 21:40:48,119 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:40:48" (1/1) ...
[2024-11-07 21:40:48,169 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:40:48,769 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:40:48,776 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 21:40:48,880 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:40:49,034 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 21:40:49,035 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49 WrapperNode
[2024-11-07 21:40:49,035 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:40:49,036 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:40:49,036 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:40:49,036 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:40:49,041 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,070 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,097 INFO  L138                Inliner]: procedures = 502, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143
[2024-11-07 21:40:49,098 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:40:49,100 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:40:49,100 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:40:49,100 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:40:49,107 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,107 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,109 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,128 INFO  L175           MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0].
[2024-11-07 21:40:49,128 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,128 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,136 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,137 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,138 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,139 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,143 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:40:49,144 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:40:49,144 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:40:49,144 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:40:49,145 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (1/1) ...
[2024-11-07 21:40:49,149 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:40:49,163 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:40:49,173 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 21:40:49,175 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 21:40:49,191 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-07 21:40:49,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-07 21:40:49,191 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:40:49,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:40:49,191 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:40:49,192 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:40:49,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:40:49,192 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 21:40:49,192 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 21:40:49,324 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 21:40:49,326 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:40:49,514 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-07 21:40:49,514 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 21:40:49,526 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:40:49,526 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:40:49,526 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:40:49 BoogieIcfgContainer
[2024-11-07 21:40:49,526 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:40:49,531 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:40:49,531 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:40:49,534 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:40:49,535 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:40:48" (1/3) ...
[2024-11-07 21:40:49,535 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f49a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:40:49, skipping insertion in model container
[2024-11-07 21:40:49,535 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:40:49" (2/3) ...
[2024-11-07 21:40:49,535 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f49a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:40:49, skipping insertion in model container
[2024-11-07 21:40:49,535 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:40:49" (3/3) ...
[2024-11-07 21:40:49,537 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_04_good.i
[2024-11-07 21:40:49,549 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:40:49,550 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-07 21:40:49,600 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:40:49,612 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4524e623, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:40:49,612 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-07 21:40:49,616 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 71 states, 48 states have (on average 1.4375) internal successors, (69), 56 states have internal predecessors, (69), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-07 21:40:49,622 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-07 21:40:49,622 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:49,623 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:40:49,623 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:49,627 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:49,627 INFO  L85        PathProgramCache]: Analyzing trace with hash -1682223633, now seen corresponding path program 1 times
[2024-11-07 21:40:49,633 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:49,634 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063445448]
[2024-11-07 21:40:49,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:49,634 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:49,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:49,926 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:49,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:49,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:40:49,955 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:49,956 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063445448]
[2024-11-07 21:40:49,956 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063445448] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:49,956 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:49,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 21:40:49,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402407553]
[2024-11-07 21:40:49,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:49,962 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:49,962 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:49,979 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:49,980 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:49,983 INFO  L87              Difference]: Start difference. First operand  has 71 states, 48 states have (on average 1.4375) internal successors, (69), 56 states have internal predecessors, (69), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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)
[2024-11-07 21:40:50,030 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,031 INFO  L93              Difference]: Finished difference Result 133 states and 173 transitions.
[2024-11-07 21:40:50,032 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,033 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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
[2024-11-07 21:40:50,033 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,039 INFO  L225             Difference]: With dead ends: 133
[2024-11-07 21:40:50,040 INFO  L226             Difference]: Without dead ends: 62
[2024-11-07 21:40:50,043 INFO  L431           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
[2024-11-07 21:40:50,047 INFO  L432           NwaCegarLoop]: 81 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:40:50,048 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 81 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,059 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-11-07 21:40:50,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-11-07 21:40:50,077 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 49 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-07 21:40:50,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions.
[2024-11-07 21:40:50,081 INFO  L78                 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 12
[2024-11-07 21:40:50,082 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,083 INFO  L471      AbstractCegarLoop]: Abstraction has 62 states and 76 transitions.
[2024-11-07 21:40:50,083 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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)
[2024-11-07 21:40:50,083 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions.
[2024-11-07 21:40:50,084 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 21:40:50,084 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,084 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:40:50,085 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 21:40:50,085 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,085 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,086 INFO  L85        PathProgramCache]: Analyzing trace with hash -2039294892, now seen corresponding path program 1 times
[2024-11-07 21:40:50,086 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,086 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679307110]
[2024-11-07 21:40:50,086 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,192 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:40:50,199 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,199 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679307110]
[2024-11-07 21:40:50,199 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679307110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,199 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,199 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:40:50,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918793197]
[2024-11-07 21:40:50,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,200 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,201 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,201 INFO  L87              Difference]: Start difference. First operand 62 states and 76 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)
[2024-11-07 21:40:50,218 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,218 INFO  L93              Difference]: Finished difference Result 63 states and 77 transitions.
[2024-11-07 21:40:50,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,219 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
[2024-11-07 21:40:50,219 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,219 INFO  L225             Difference]: With dead ends: 63
[2024-11-07 21:40:50,219 INFO  L226             Difference]: Without dead ends: 62
[2024-11-07 21:40:50,220 INFO  L431           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
[2024-11-07 21:40:50,220 INFO  L432           NwaCegarLoop]: 71 mSDtfsCounter, 6 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:40:50,220 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 129 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,221 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-11-07 21:40:50,225 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61.
[2024-11-07 21:40:50,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 48 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-07 21:40:50,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions.
[2024-11-07 21:40:50,227 INFO  L78                 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 14
[2024-11-07 21:40:50,227 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,227 INFO  L471      AbstractCegarLoop]: Abstraction has 61 states and 75 transitions.
[2024-11-07 21:40:50,227 INFO  L472      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)
[2024-11-07 21:40:50,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions.
[2024-11-07 21:40:50,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-07 21:40:50,227 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,227 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:40:50,228 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 21:40:50,228 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,228 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 1206367861, now seen corresponding path program 1 times
[2024-11-07 21:40:50,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134255888]
[2024-11-07 21:40:50,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,281 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:40:50,290 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134255888]
[2024-11-07 21:40:50,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134255888] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:40:50,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514183971]
[2024-11-07 21:40:50,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,290 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,290 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,291 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,291 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,291 INFO  L87              Difference]: Start difference. First operand 61 states and 75 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)
[2024-11-07 21:40:50,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,318 INFO  L93              Difference]: Finished difference Result 110 states and 134 transitions.
[2024-11-07 21:40:50,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,319 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
[2024-11-07 21:40:50,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,320 INFO  L225             Difference]: With dead ends: 110
[2024-11-07 21:40:50,320 INFO  L226             Difference]: Without dead ends: 66
[2024-11-07 21:40:50,320 INFO  L431           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
[2024-11-07 21:40:50,321 INFO  L432           NwaCegarLoop]: 79 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 143 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
[2024-11-07 21:40:50,321 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 143 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,325 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-11-07 21:40:50,337 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63.
[2024-11-07 21:40:50,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-07 21:40:50,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions.
[2024-11-07 21:40:50,339 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 15
[2024-11-07 21:40:50,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,340 INFO  L471      AbstractCegarLoop]: Abstraction has 63 states and 78 transitions.
[2024-11-07 21:40:50,340 INFO  L472      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)
[2024-11-07 21:40:50,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions.
[2024-11-07 21:40:50,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-07 21:40:50,341 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,341 INFO  L215           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]
[2024-11-07 21:40:50,341 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 21:40:50,341 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,342 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,342 INFO  L85        PathProgramCache]: Analyzing trace with hash -1463172833, now seen corresponding path program 1 times
[2024-11-07 21:40:50,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542225119]
[2024-11-07 21:40:50,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,342 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,449 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,463 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-07 21:40:50,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,476 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-07 21:40:50,476 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,476 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542225119]
[2024-11-07 21:40:50,476 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542225119] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,476 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,477 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 21:40:50,477 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343029675]
[2024-11-07 21:40:50,477 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,477 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,478 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,478 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,478 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,478 INFO  L87              Difference]: Start difference. First operand 63 states and 78 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-07 21:40:50,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,487 INFO  L93              Difference]: Finished difference Result 102 states and 122 transitions.
[2024-11-07 21:40:50,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,488 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25
[2024-11-07 21:40:50,488 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,488 INFO  L225             Difference]: With dead ends: 102
[2024-11-07 21:40:50,488 INFO  L226             Difference]: Without dead ends: 59
[2024-11-07 21:40:50,488 INFO  L431           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
[2024-11-07 21:40:50,489 INFO  L432           NwaCegarLoop]: 64 mSDtfsCounter, 59 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 64 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
[2024-11-07 21:40:50,489 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 64 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-11-07 21:40:50,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2024-11-07 21:40:50,494 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 59 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 48 states have internal predecessors, (53), 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)
[2024-11-07 21:40:50,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions.
[2024-11-07 21:40:50,494 INFO  L78                 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 25
[2024-11-07 21:40:50,494 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,494 INFO  L471      AbstractCegarLoop]: Abstraction has 59 states and 69 transitions.
[2024-11-07 21:40:50,495 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-07 21:40:50,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions.
[2024-11-07 21:40:50,495 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-07 21:40:50,495 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,495 INFO  L215           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, 1]
[2024-11-07 21:40:50,495 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 21:40:50,495 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,496 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,496 INFO  L85        PathProgramCache]: Analyzing trace with hash -737836245, now seen corresponding path program 1 times
[2024-11-07 21:40:50,496 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,496 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411138203]
[2024-11-07 21:40:50,496 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,496 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,554 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,559 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-07 21:40:50,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-07 21:40:50,562 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,563 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411138203]
[2024-11-07 21:40:50,563 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411138203] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,563 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,563 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:40:50,563 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162926863]
[2024-11-07 21:40:50,563 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,563 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,563 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,563 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,564 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,564 INFO  L87              Difference]: Start difference. First operand 59 states and 69 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, (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)
[2024-11-07 21:40:50,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,577 INFO  L93              Difference]: Finished difference Result 59 states and 69 transitions.
[2024-11-07 21:40:50,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,577 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, (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 26
[2024-11-07 21:40:50,577 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,578 INFO  L225             Difference]: With dead ends: 59
[2024-11-07 21:40:50,578 INFO  L226             Difference]: Without dead ends: 58
[2024-11-07 21:40:50,578 INFO  L431           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
[2024-11-07 21:40:50,579 INFO  L432           NwaCegarLoop]: 60 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:40:50,579 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 111 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,579 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-07 21:40:50,582 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-07 21:40:50,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 47 states have internal predecessors, (52), 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)
[2024-11-07 21:40:50,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions.
[2024-11-07 21:40:50,583 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 26
[2024-11-07 21:40:50,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,584 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 68 transitions.
[2024-11-07 21:40:50,584 INFO  L472      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, (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)
[2024-11-07 21:40:50,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions.
[2024-11-07 21:40:50,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-07 21:40:50,584 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,584 INFO  L215           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, 1, 1]
[2024-11-07 21:40:50,584 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-07 21:40:50,584 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,585 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,585 INFO  L85        PathProgramCache]: Analyzing trace with hash -1398087009, now seen corresponding path program 1 times
[2024-11-07 21:40:50,585 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,585 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421016293]
[2024-11-07 21:40:50,585 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,585 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,635 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,638 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-07 21:40:50,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-07 21:40:50,641 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421016293]
[2024-11-07 21:40:50,641 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421016293] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,641 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:40:50,641 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218962975]
[2024-11-07 21:40:50,642 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,642 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,642 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,642 INFO  L87              Difference]: Start difference. First operand 58 states and 68 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, (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)
[2024-11-07 21:40:50,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,656 INFO  L93              Difference]: Finished difference Result 86 states and 97 transitions.
[2024-11-07 21:40:50,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,657 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, (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 27
[2024-11-07 21:40:50,657 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,657 INFO  L225             Difference]: With dead ends: 86
[2024-11-07 21:40:50,657 INFO  L226             Difference]: Without dead ends: 60
[2024-11-07 21:40:50,658 INFO  L431           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
[2024-11-07 21:40:50,658 INFO  L432           NwaCegarLoop]: 64 mSDtfsCounter, 5 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:40:50,658 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 117 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,659 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-07 21:40:50,662 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2024-11-07 21:40:50,662 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60 states, 46 states have (on average 1.173913043478261) internal successors, (54), 49 states have internal predecessors, (54), 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)
[2024-11-07 21:40:50,663 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions.
[2024-11-07 21:40:50,663 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 27
[2024-11-07 21:40:50,663 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,663 INFO  L471      AbstractCegarLoop]: Abstraction has 60 states and 70 transitions.
[2024-11-07 21:40:50,663 INFO  L472      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, (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)
[2024-11-07 21:40:50,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions.
[2024-11-07 21:40:50,664 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-07 21:40:50,664 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,664 INFO  L215           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]
[2024-11-07 21:40:50,664 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-07 21:40:50,664 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,665 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,665 INFO  L85        PathProgramCache]: Analyzing trace with hash 1515822009, now seen corresponding path program 1 times
[2024-11-07 21:40:50,665 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,665 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944567342]
[2024-11-07 21:40:50,665 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,665 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,721 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,724 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-07 21:40:50,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,728 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2024-11-07 21:40:50,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-07 21:40:50,732 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,733 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944567342]
[2024-11-07 21:40:50,733 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944567342] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,733 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,733 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:40:50,733 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026674776]
[2024-11-07 21:40:50,733 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,733 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,734 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,734 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,734 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,734 INFO  L87              Difference]: Start difference. First operand 60 states and 70 transitions. Second operand  has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2024-11-07 21:40:50,747 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,747 INFO  L93              Difference]: Finished difference Result 60 states and 70 transitions.
[2024-11-07 21:40:50,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,747 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 35
[2024-11-07 21:40:50,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,748 INFO  L225             Difference]: With dead ends: 60
[2024-11-07 21:40:50,748 INFO  L226             Difference]: Without dead ends: 58
[2024-11-07 21:40:50,749 INFO  L431           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
[2024-11-07 21:40:50,750 INFO  L432           NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 116 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
[2024-11-07 21:40:50,750 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,750 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-07 21:40:50,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-07 21:40:50,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 47 states have internal predecessors, (52), 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)
[2024-11-07 21:40:50,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions.
[2024-11-07 21:40:50,756 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 35
[2024-11-07 21:40:50,756 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,757 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 68 transitions.
[2024-11-07 21:40:50,757 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2024-11-07 21:40:50,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions.
[2024-11-07 21:40:50,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-07 21:40:50,758 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:40:50,758 INFO  L215           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, 1, 1, 1, 1]
[2024-11-07 21:40:50,758 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-07 21:40:50,758 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-07 21:40:50,759 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:40:50,759 INFO  L85        PathProgramCache]: Analyzing trace with hash -1082178336, now seen corresponding path program 1 times
[2024-11-07 21:40:50,759 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:40:50,759 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772445926]
[2024-11-07 21:40:50,759 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:40:50,759 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:40:50,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,845 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:40:50,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,850 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-07 21:40:50,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,856 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2024-11-07 21:40:50,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,868 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2024-11-07 21:40:50,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:40:50,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-07 21:40:50,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:40:50,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772445926]
[2024-11-07 21:40:50,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772445926] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:40:50,875 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:40:50,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:40:50,875 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47154829]
[2024-11-07 21:40:50,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:40:50,876 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:40:50,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:40:50,876 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:40:50,876 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:40:50,876 INFO  L87              Difference]: Start difference. First operand 58 states and 68 transitions. Second operand  has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2024-11-07 21:40:50,896 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:40:50,896 INFO  L93              Difference]: Finished difference Result 58 states and 68 transitions.
[2024-11-07 21:40:50,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:40:50,896 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 45
[2024-11-07 21:40:50,897 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:40:50,900 INFO  L225             Difference]: With dead ends: 58
[2024-11-07 21:40:50,900 INFO  L226             Difference]: Without dead ends: 0
[2024-11-07 21:40:50,900 INFO  L431           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
[2024-11-07 21:40:50,901 INFO  L432           NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 115 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
[2024-11-07 21:40:50,901 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:40:50,902 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-07 21:40:50,902 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-07 21:40:50,902 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)
[2024-11-07 21:40:50,902 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-07 21:40:50,902 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45
[2024-11-07 21:40:50,902 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:40:50,902 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 21:40:50,902 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2024-11-07 21:40:50,903 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-07 21:40:50,903 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-07 21:40:50,906 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2024-11-07 21:40:50,907 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2024-11-07 21:40:50,907 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2024-11-07 21:40:50,907 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2024-11-07 21:40:50,907 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2024-11-07 21:40:50,907 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2024-11-07 21:40:50,907 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2024-11-07 21:40:50,908 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2024-11-07 21:40:50,908 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-07 21:40:50,910 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:40:50,912 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-07 21:40:51,049 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:40:51,068 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 21:40:51,069 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 21:40:51,069 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 21:40:51,069 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
[2024-11-07 21:40:51,070 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
[2024-11-07 21:40:51,071 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
[2024-11-07 21:40:51,072 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
[2024-11-07 21:40:51,073 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
[2024-11-07 21:40:51,073 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
[2024-11-07 21:40:51,073 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
[2024-11-07 21:40:51,073 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
[2024-11-07 21:40:51,073 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
[2024-11-07 21:40:51,073 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
[2024-11-07 21:40:51,077 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 21:40:51,079 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 21:40:51,079 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 21:40:51,079 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
[2024-11-07 21:40:51,080 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
[2024-11-07 21:40:51,081 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
[2024-11-07 21:40:51,083 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
[2024-11-07 21:40:51,084 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
[2024-11-07 21:40:51,084 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
[2024-11-07 21:40:51,084 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
[2024-11-07 21:40:51,084 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
[2024-11-07 21:40:51,084 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:40:51 BoogieIcfgContainer
[2024-11-07 21:40:51,085 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:40:51,085 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:40:51,085 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:40:51,085 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 21:40:51,086 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:40:49" (3/4) ...
[2024-11-07 21:40:51,089 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 21:40:51,094 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-07 21:40:51,094 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-07 21:40:51,100 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2024-11-07 21:40:51,102 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-11-07 21:40:51,102 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-07 21:40:51,102 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 21:40:51,103 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 21:40:51,190 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 21:40:51,190 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 21:40:51,190 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:40:51,191 INFO  L158              Benchmark]: Toolchain (without parser) took 3080.82ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 88.5MB in the beginning and 51.8MB in the end (delta: 36.7MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB.
[2024-11-07 21:40:51,191 INFO  L158              Benchmark]: CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:40:51,191 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 923.51ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 69.0MB in the end (delta: 19.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB.
[2024-11-07 21:40:51,191 INFO  L158              Benchmark]: Boogie Procedure Inliner took 61.65ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 65.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:40:51,192 INFO  L158              Benchmark]: Boogie Preprocessor took 43.33ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 63.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:40:51,192 INFO  L158              Benchmark]: RCFGBuilder took 382.81ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 47.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 21:40:51,193 INFO  L158              Benchmark]: TraceAbstraction took 1554.05ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 46.5MB in the beginning and 57.8MB in the end (delta: -11.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
[2024-11-07 21:40:51,193 INFO  L158              Benchmark]: Witness Printer took 104.94ms. Allocated memory is still 151.0MB. Free memory was 57.8MB in the beginning and 51.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:40:51,195 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 923.51ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 69.0MB in the end (delta: 19.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 61.65ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 65.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 43.33ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 63.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 382.81ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 47.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1554.05ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 46.5MB in the beginning and 57.8MB in the end (delta: -11.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
 * Witness Printer took 104.94ms. Allocated memory is still 151.0MB. Free memory was 57.8MB in the beginning and 51.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
 * 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: 1576]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1576]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1607]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1607]: 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: 1647]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1647]: 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, 71 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 538 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 36/36 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
  - ProcedureContractResult [Line: 1412]: Procedure Contract for printLine
    Derived contract for procedure printLine. Requires: (STATIC_CONST_TRUE == 1) Ensures: ((STATIC_CONST_TRUE == 1) && (((((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) && (STATIC_CONST_TRUE == \old(STATIC_CONST_TRUE))) && (STATIC_CONST_FALSE == \old(STATIC_CONST_FALSE))))
  - ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine
    Derived contract for procedure printIntLine. Requires: (STATIC_CONST_TRUE == 1) Ensures: ((STATIC_CONST_TRUE == 1) && (((((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) && (STATIC_CONST_TRUE == \old(STATIC_CONST_TRUE))) && (STATIC_CONST_FALSE == \old(STATIC_CONST_FALSE))))
RESULT: Ultimate proved your program to be correct!
[2024-11-07 21:40:51,230 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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