./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix019.opt.i --full-output --architecture 32bit


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


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/pthread-wmm/mix019.opt.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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', '32bit', '--witnessprinter.graph.data.programhash', '67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1']
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/pthread-wmm/mix019.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 23:25:34,115 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 23:25:34,179 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-07 23:25:34,184 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 23:25:34,185 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 23:25:34,206 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 23:25:34,207 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 23:25:34,208 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 23:25:34,208 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 23:25:34,208 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 23:25:34,209 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 23:25:34,209 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 23:25:34,209 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 23:25:34,209 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 23:25:34,210 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 23:25:34,210 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 23:25:34,210 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 23:25:34,210 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 23:25:34,210 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 23:25:34,210 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 23:25:34,210 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 23:25:34,211 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 23:25:34,211 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 23:25:34,212 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 23:25:34,212 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 23:25:34,213 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 23:25:34,213 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 23:25:34,213 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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1
[2024-11-07 23:25:34,448 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 23:25:34,462 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 23:25:34,469 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 23:25:34,470 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 23:25:34,470 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 23:25:34,475 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix019.opt.i
[2024-11-07 23:25:35,595 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 23:25:35,819 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 23:25:35,820 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix019.opt.i
[2024-11-07 23:25:35,838 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/36ca70d5b/034ed20a462b4947b9a6f8bbf9c4bf2f/FLAGf10d8e9d7
[2024-11-07 23:25:35,851 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/36ca70d5b/034ed20a462b4947b9a6f8bbf9c4bf2f
[2024-11-07 23:25:35,853 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 23:25:35,854 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 23:25:35,855 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 23:25:35,856 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 23:25:35,859 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 23:25:35,859 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:25:35" (1/1) ...
[2024-11-07 23:25:35,860 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4502596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:35, skipping insertion in model container
[2024-11-07 23:25:35,861 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:25:35" (1/1) ...
[2024-11-07 23:25:35,898 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 23:25:36,148 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:25:36,155 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 23:25:36,219 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:25:36,247 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 23:25:36,248 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36 WrapperNode
[2024-11-07 23:25:36,248 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 23:25:36,249 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 23:25:36,249 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 23:25:36,250 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 23:25:36,254 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,262 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,278 INFO  L138                Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 144
[2024-11-07 23:25:36,279 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 23:25:36,279 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 23:25:36,279 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 23:25:36,279 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 23:25:36,288 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,288 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,291 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,308 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 23:25:36,310 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,310 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,318 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,323 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,325 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,329 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,330 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 23:25:36,331 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 23:25:36,335 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 23:25:36,335 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 23:25:36,336 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (1/1) ...
[2024-11-07 23:25:36,339 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 23:25:36,356 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:25:36,371 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 23:25:36,379 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 23:25:36,393 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-07 23:25:36,393 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 23:25:36,394 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-07 23:25:36,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-07 23:25:36,394 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-07 23:25:36,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-07 23:25:36,394 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-07 23:25:36,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-07 23:25:36,394 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 23:25:36,394 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-07 23:25:36,394 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 23:25:36,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 23:25:36,396 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-07 23:25:36,513 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 23:25:36,515 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 23:25:36,842 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 23:25:36,842 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 23:25:37,059 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 23:25:37,059 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 23:25:37,060 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:25:37 BoogieIcfgContainer
[2024-11-07 23:25:37,060 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 23:25:37,062 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 23:25:37,062 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 23:25:37,066 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 23:25:37,066 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:25:35" (1/3) ...
[2024-11-07 23:25:37,066 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9355a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:25:37, skipping insertion in model container
[2024-11-07 23:25:37,067 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:25:36" (2/3) ...
[2024-11-07 23:25:37,067 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9355a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:25:37, skipping insertion in model container
[2024-11-07 23:25:37,067 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:25:37" (3/3) ...
[2024-11-07 23:25:37,068 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix019.opt.i
[2024-11-07 23:25:37,079 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 23:25:37,079 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-07 23:25:37,080 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 23:25:37,125 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-07 23:25:37,152 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 92 flow
[2024-11-07 23:25:37,210 INFO  L124   PetriNetUnfolderBase]: 0/37 cut-off events.
[2024-11-07 23:25:37,212 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 23:25:37,214 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. 
[2024-11-07 23:25:37,215 INFO  L82        GeneralOperation]: Start removeDead. Operand has 50 places, 40 transitions, 92 flow
[2024-11-07 23:25:37,218 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 47 places, 37 transitions, 83 flow
[2024-11-07 23:25:37,223 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 23:25:37,238 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;@79939e53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 23:25:37,242 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-07 23:25:37,246 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 23:25:37,247 INFO  L124   PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-07 23:25:37,247 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 23:25:37,247 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:25:37,247 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:25:37,247 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:25:37,250 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:25:37,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -2039865092, now seen corresponding path program 1 times
[2024-11-07 23:25:37,256 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:25:37,256 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452111166]
[2024-11-07 23:25:37,256 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:25:37,256 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:25:37,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:25:37,387 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 23:25:37,388 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:25:37,388 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452111166]
[2024-11-07 23:25:37,389 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452111166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:25:37,389 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:25:37,389 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 23:25:37,390 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809563617]
[2024-11-07 23:25:37,390 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:25:37,394 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 23:25:37,397 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:25:37,414 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 23:25:37,415 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 23:25:37,423 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40
[2024-11-07 23:25:37,425 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 83 flow. Second operand  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 23:25:37,426 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:25:37,426 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40
[2024-11-07 23:25:37,426 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:25:37,921 INFO  L124   PetriNetUnfolderBase]: 1937/2891 cut-off events.
[2024-11-07 23:25:37,922 INFO  L125   PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES.
[2024-11-07 23:25:37,930 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5808 conditions, 2891 events. 1937/2891 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 17469 event pairs, 687 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 5797. Up to 2773 conditions per place. 
[2024-11-07 23:25:37,946 INFO  L140   encePairwiseOnDemand]: 30/40 looper letters, 37 selfloop transitions, 4 changer transitions 0/52 dead transitions.
[2024-11-07 23:25:37,947 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 52 transitions, 201 flow
[2024-11-07 23:25:37,948 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 23:25:37,949 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-07 23:25:37,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions.
[2024-11-07 23:25:37,956 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7416666666666667
[2024-11-07 23:25:37,957 INFO  L175             Difference]: Start difference. First operand has 47 places, 37 transitions, 83 flow. Second operand 3 states and 89 transitions.
[2024-11-07 23:25:37,958 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 52 transitions, 201 flow
[2024-11-07 23:25:37,961 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 52 transitions, 196 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-07 23:25:37,964 INFO  L231             Difference]: Finished difference. Result has 47 places, 40 transitions, 116 flow
[2024-11-07 23:25:37,966 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=47, PETRI_TRANSITIONS=40}
[2024-11-07 23:25:37,969 INFO  L277   CegarLoopForPetriNet]: 47 programPoint places, 0 predicate places.
[2024-11-07 23:25:37,969 INFO  L471      AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 116 flow
[2024-11-07 23:25:37,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 23:25:37,969 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:25:37,969 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:25:37,970 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 23:25:37,970 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:25:37,970 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:25:37,970 INFO  L85        PathProgramCache]: Analyzing trace with hash -1313665952, now seen corresponding path program 1 times
[2024-11-07 23:25:37,970 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:25:37,970 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638291230]
[2024-11-07 23:25:37,970 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:25:37,971 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:25:37,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:25:38,091 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 23:25:38,091 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:25:38,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638291230]
[2024-11-07 23:25:38,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638291230] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:25:38,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:25:38,091 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 23:25:38,091 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143192246]
[2024-11-07 23:25:38,091 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:25:38,092 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 23:25:38,092 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:25:38,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 23:25:38,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 23:25:38,096 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40
[2024-11-07 23:25:38,096 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 116 flow. Second operand  has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 23:25:38,096 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:25:38,096 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40
[2024-11-07 23:25:38,096 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:25:38,417 INFO  L124   PetriNetUnfolderBase]: 1288/1944 cut-off events.
[2024-11-07 23:25:38,417 INFO  L125   PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES.
[2024-11-07 23:25:38,421 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4598 conditions, 1944 events. 1288/1944 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 11086 event pairs, 388 based on Foata normal form. 0/1670 useless extension candidates. Maximal degree in co-relation 4587. Up to 1825 conditions per place. 
[2024-11-07 23:25:38,428 INFO  L140   encePairwiseOnDemand]: 33/40 looper letters, 34 selfloop transitions, 4 changer transitions 0/49 dead transitions.
[2024-11-07 23:25:38,429 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 49 transitions, 208 flow
[2024-11-07 23:25:38,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 23:25:38,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 23:25:38,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions.
[2024-11-07 23:25:38,430 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.60625
[2024-11-07 23:25:38,430 INFO  L175             Difference]: Start difference. First operand has 47 places, 40 transitions, 116 flow. Second operand 4 states and 97 transitions.
[2024-11-07 23:25:38,430 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 49 transitions, 208 flow
[2024-11-07 23:25:38,430 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 204 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 23:25:38,431 INFO  L231             Difference]: Finished difference. Result has 46 places, 37 transitions, 108 flow
[2024-11-07 23:25:38,431 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=37}
[2024-11-07 23:25:38,433 INFO  L277   CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places.
[2024-11-07 23:25:38,433 INFO  L471      AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 108 flow
[2024-11-07 23:25:38,433 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 23:25:38,433 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:25:38,433 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:25:38,433 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 23:25:38,434 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:25:38,434 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:25:38,434 INFO  L85        PathProgramCache]: Analyzing trace with hash -1313665951, now seen corresponding path program 1 times
[2024-11-07 23:25:38,434 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:25:38,434 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144636408]
[2024-11-07 23:25:38,434 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:25:38,434 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:25:38,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:25:38,586 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 23:25:38,587 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:25:38,588 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144636408]
[2024-11-07 23:25:38,588 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144636408] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:25:38,588 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:25:38,588 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 23:25:38,588 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210805784]
[2024-11-07 23:25:38,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:25:38,588 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 23:25:38,588 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:25:38,589 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 23:25:38,589 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 23:25:38,592 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40
[2024-11-07 23:25:38,593 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 108 flow. Second operand  has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 23:25:38,593 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:25:38,593 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40
[2024-11-07 23:25:38,593 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:25:38,820 INFO  L124   PetriNetUnfolderBase]: 885/1363 cut-off events.
[2024-11-07 23:25:38,821 INFO  L125   PetriNetUnfolderBase]: For 326/326 co-relation queries the response was YES.
[2024-11-07 23:25:38,825 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3161 conditions, 1363 events. 885/1363 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7201 event pairs, 95 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 3149. Up to 817 conditions per place. 
[2024-11-07 23:25:38,830 INFO  L140   encePairwiseOnDemand]: 33/40 looper letters, 44 selfloop transitions, 7 changer transitions 3/65 dead transitions.
[2024-11-07 23:25:38,830 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 65 transitions, 284 flow
[2024-11-07 23:25:38,830 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 23:25:38,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 23:25:38,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions.
[2024-11-07 23:25:38,831 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.70625
[2024-11-07 23:25:38,832 INFO  L175             Difference]: Start difference. First operand has 46 places, 37 transitions, 108 flow. Second operand 4 states and 113 transitions.
[2024-11-07 23:25:38,832 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 65 transitions, 284 flow
[2024-11-07 23:25:38,832 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 65 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-07 23:25:38,833 INFO  L231             Difference]: Finished difference. Result has 48 places, 37 transitions, 129 flow
[2024-11-07 23:25:38,833 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=48, PETRI_TRANSITIONS=37}
[2024-11-07 23:25:38,833 INFO  L277   CegarLoopForPetriNet]: 47 programPoint places, 1 predicate places.
[2024-11-07 23:25:38,834 INFO  L471      AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 129 flow
[2024-11-07 23:25:38,834 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 23:25:38,834 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:25:38,834 INFO  L204   CegarLoopForPetriNet]: trace histogram [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 23:25:38,834 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 23:25:38,834 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:25:38,836 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:25:38,836 INFO  L85        PathProgramCache]: Analyzing trace with hash -1610360203, now seen corresponding path program 1 times
[2024-11-07 23:25:38,836 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:25:38,836 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812620507]
[2024-11-07 23:25:38,836 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:25:38,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:25:38,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:25:38,985 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 23:25:38,985 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:25:38,985 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812620507]
[2024-11-07 23:25:38,985 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812620507] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:25:38,985 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:25:38,986 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 23:25:38,986 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755363718]
[2024-11-07 23:25:38,986 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:25:38,986 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 23:25:38,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:25:38,987 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 23:25:38,987 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-07 23:25:38,990 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40
[2024-11-07 23:25:38,990 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 129 flow. Second operand  has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 23:25:38,990 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:25:38,990 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40
[2024-11-07 23:25:38,991 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:25:39,179 INFO  L124   PetriNetUnfolderBase]: 665/1043 cut-off events.
[2024-11-07 23:25:39,179 INFO  L125   PetriNetUnfolderBase]: For 762/762 co-relation queries the response was YES.
[2024-11-07 23:25:39,181 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2776 conditions, 1043 events. 665/1043 cut-off events. For 762/762 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5516 event pairs, 45 based on Foata normal form. 60/1097 useless extension candidates. Maximal degree in co-relation 2763. Up to 496 conditions per place. 
[2024-11-07 23:25:39,182 INFO  L140   encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions.
[2024-11-07 23:25:39,182 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 59 transitions, 263 flow
[2024-11-07 23:25:39,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 23:25:39,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 23:25:39,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 121 transitions.
[2024-11-07 23:25:39,183 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.605
[2024-11-07 23:25:39,183 INFO  L175             Difference]: Start difference. First operand has 48 places, 37 transitions, 129 flow. Second operand 5 states and 121 transitions.
[2024-11-07 23:25:39,183 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 59 transitions, 263 flow
[2024-11-07 23:25:39,184 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 59 transitions, 239 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-07 23:25:39,185 INFO  L231             Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow
[2024-11-07 23:25:39,185 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0}
[2024-11-07 23:25:39,185 INFO  L277   CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places.
[2024-11-07 23:25:39,185 INFO  L471      AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow
[2024-11-07 23:25:39,186 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-11-07 23:25:39,188 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-11-07 23:25:39,189 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-11-07 23:25:39,189 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-11-07 23:25:39,189 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-11-07 23:25:39,189 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-11-07 23:25:39,189 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-11-07 23:25:39,189 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 23:25:39,189 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-07 23:25:39,193 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 23:25:39,193 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 23:25:39,196 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:25:39 BasicIcfg
[2024-11-07 23:25:39,196 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 23:25:39,197 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 23:25:39,197 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 23:25:39,197 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 23:25:39,197 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:25:37" (3/4) ...
[2024-11-07 23:25:39,198 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 23:25:39,200 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-07 23:25:39,200 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-07 23:25:39,200 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-07 23:25:39,203 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges
[2024-11-07 23:25:39,203 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-11-07 23:25:39,203 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-07 23:25:39,203 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-07 23:25:39,247 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 23:25:39,247 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 23:25:39,247 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 23:25:39,248 INFO  L158              Benchmark]: Toolchain (without parser) took 3393.83ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 91.3MB in the beginning and 110.1MB in the end (delta: -18.8MB). Peak memory consumption was 147.8MB. Max. memory is 16.1GB.
[2024-11-07 23:25:39,248 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:25:39,248 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 393.34ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.7MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 23:25:39,249 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.42ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:25:39,249 INFO  L158              Benchmark]: Boogie Preprocessor took 51.56ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 61.9MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 23:25:39,249 INFO  L158              Benchmark]: RCFGBuilder took 729.12ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 52.6MB in the end (delta: 9.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB.
[2024-11-07 23:25:39,249 INFO  L158              Benchmark]: TraceAbstraction took 2134.68ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 51.7MB in the beginning and 114.0MB in the end (delta: -62.3MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB.
[2024-11-07 23:25:39,249 INFO  L158              Benchmark]: Witness Printer took 50.74ms. Allocated memory is still 285.2MB. Free memory was 114.0MB in the beginning and 110.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:25:39,250 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 393.34ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.7MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 29.42ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 51.56ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 61.9MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 729.12ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 52.6MB in the end (delta: 9.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2134.68ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 51.7MB in the beginning and 114.0MB in the end (delta: -62.3MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB.
 * Witness Printer took 50.74ms. Allocated memory is still 285.2MB. Free memory was 114.0MB in the beginning and 110.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 753]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 753]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 781]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 781]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 826]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 826]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 72 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-07 23:25:39,269 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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