./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:41:20,165 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:41:20,293 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:41:20,301 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:41:20,302 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:41:20,343 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:41:20,343 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:41:20,344 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:41:20,345 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:41:20,350 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:41:20,352 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:41:20,352 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:41:20,353 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:41:20,355 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:41:20,355 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:41:20,356 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:41:20,356 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:41:20,356 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:41:20,357 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:41:20,357 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:41:20,358 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:41:20,358 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:41:20,359 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:41:20,359 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:41:20,360 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:41:20,360 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:41:20,360 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:41:20,361 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:41:20,362 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:41:20,362 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:41:20,364 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:41:20,364 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:41:20,365 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:41:20,365 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:41:20,365 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:41:20,365 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:41:20,365 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:41:20,366 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:41:20,366 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:41:20,366 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:41:20,366 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:41:20,367 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b
[2023-11-19 07:41:20,687 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:41:20,720 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:41:20,722 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:41:20,723 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:41:20,724 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:41:20,725 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2023-11-19 07:41:23,944 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:41:24,292 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:41:24,300 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2023-11-19 07:41:24,321 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/data/9ba20858b/71e5c1ac681d4b6ab54be694b65fb6e2/FLAG2304d48bf
[2023-11-19 07:41:24,340 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/data/9ba20858b/71e5c1ac681d4b6ab54be694b65fb6e2
[2023-11-19 07:41:24,343 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:41:24,345 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:41:24,347 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:41:24,347 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:41:24,354 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:41:24,355 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:24" (1/1) ...
[2023-11-19 07:41:24,356 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecb2208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:24, skipping insertion in model container
[2023-11-19 07:41:24,357 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:24" (1/1) ...
[2023-11-19 07:41:24,410 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:41:24,953 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:41:24,977 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:41:25,071 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:41:25,122 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:41:25,122 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:41:25,133 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:41:25,133 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25 WrapperNode
[2023-11-19 07:41:25,134 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:41:25,135 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:41:25,136 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:41:25,136 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:41:25,146 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,189 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,224 INFO  L138                Inliner]: procedures = 177, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84
[2023-11-19 07:41:25,225 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:41:25,226 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:41:25,226 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:41:25,226 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:41:25,238 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,238 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,254 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,258 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,280 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,296 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,299 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,301 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,305 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:41:25,309 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:41:25,309 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:41:25,309 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:41:25,310 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (1/1) ...
[2023-11-19 07:41:25,319 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:41:25,337 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:41:25,354 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:41:25,384 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:41:25,414 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:41:25,415 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:41:25,415 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:41:25,415 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:41:25,416 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:41:25,416 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 07:41:25,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 07:41:25,416 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 07:41:25,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 07:41:25,417 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 07:41:25,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 07:41:25,417 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2023-11-19 07:41:25,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2023-11-19 07:41:25,420 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:41:25,420 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:41:25,421 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:41:25,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:41:25,423 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:41:25,626 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:41:25,629 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:41:25,960 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:41:26,053 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:41:26,053 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:41:26,058 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:26 BoogieIcfgContainer
[2023-11-19 07:41:26,058 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:41:26,061 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:41:26,062 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:41:26,066 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:41:26,066 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:24" (1/3) ...
[2023-11-19 07:41:26,067 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0e1fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:26, skipping insertion in model container
[2023-11-19 07:41:26,068 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25" (2/3) ...
[2023-11-19 07:41:26,068 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0e1fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:26, skipping insertion in model container
[2023-11-19 07:41:26,068 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:26" (3/3) ...
[2023-11-19 07:41:26,070 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2023-11-19 07:41:26,081 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:41:26,096 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:41:26,096 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-19 07:41:26,097 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:41:26,189 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:41:26,255 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 129 places, 119 transitions, 254 flow
[2023-11-19 07:41:26,320 INFO  L124   PetriNetUnfolderBase]: 3/115 cut-off events.
[2023-11-19 07:41:26,320 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:41:26,327 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 105 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. 
[2023-11-19 07:41:26,327 INFO  L82        GeneralOperation]: Start removeDead. Operand has 129 places, 119 transitions, 254 flow
[2023-11-19 07:41:26,334 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 125 places, 115 transitions, 242 flow
[2023-11-19 07:41:26,338 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:41:26,350 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 115 transitions, 242 flow
[2023-11-19 07:41:26,358 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 115 transitions, 242 flow
[2023-11-19 07:41:26,358 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 115 transitions, 242 flow
[2023-11-19 07:41:26,398 INFO  L124   PetriNetUnfolderBase]: 3/115 cut-off events.
[2023-11-19 07:41:26,398 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:41:26,400 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 106 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. 
[2023-11-19 07:41:26,405 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4246
[2023-11-19 07:41:30,109 INFO  L134        LiptonReduction]: Checked pairs total: 8487
[2023-11-19 07:41:30,109 INFO  L136        LiptonReduction]: Total number of compositions: 108
[2023-11-19 07:41:30,129 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:41:30,137 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@227e0184, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:41:30,138 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2023-11-19 07:41:30,142 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:41:30,142 INFO  L124   PetriNetUnfolderBase]: 0/6 cut-off events.
[2023-11-19 07:41:30,142 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:41:30,143 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:41:30,143 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:41:30,144 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-19 07:41:30,150 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:41:30,150 INFO  L85        PathProgramCache]: Analyzing trace with hash 431843094, now seen corresponding path program 1 times
[2023-11-19 07:41:30,162 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:41:30,162 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072461143]
[2023-11-19 07:41:30,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:41:30,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:41:30,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:41:30,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:41:30,563 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:41:30,564 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072461143]
[2023-11-19 07:41:30,565 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072461143] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:41:30,565 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:41:30,565 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:41:30,568 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833566126]
[2023-11-19 07:41:30,569 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:41:30,580 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:41:30,588 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:41:30,612 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:41:30,613 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:41:30,622 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 227
[2023-11-19 07:41:30,626 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 70 flow. Second operand  has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:30,626 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:41:30,626 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 227
[2023-11-19 07:41:30,628 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:41:31,504 INFO  L124   PetriNetUnfolderBase]: 2908/4211 cut-off events.
[2023-11-19 07:41:31,504 INFO  L125   PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES.
[2023-11-19 07:41:31,518 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8591 conditions, 4211 events. 2908/4211 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 23411 event pairs, 1609 based on Foata normal form. 16/2642 useless extension candidates. Maximal degree in co-relation 8579. Up to 4107 conditions per place. 
[2023-11-19 07:41:31,561 INFO  L140   encePairwiseOnDemand]: 212/227 looper letters, 35 selfloop transitions, 5 changer transitions 0/42 dead transitions.
[2023-11-19 07:41:31,562 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 185 flow
[2023-11-19 07:41:31,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:41:31,567 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:41:31,581 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions.
[2023-11-19 07:41:31,587 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.5066079295154186
[2023-11-19 07:41:31,588 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 345 transitions.
[2023-11-19 07:41:31,589 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 345 transitions.
[2023-11-19 07:41:31,593 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:41:31,596 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 345 transitions.
[2023-11-19 07:41:31,604 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:31,611 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:31,612 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:31,614 INFO  L175             Difference]: Start difference. First operand has 41 places, 29 transitions, 70 flow. Second operand 3 states and 345 transitions.
[2023-11-19 07:41:31,615 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 185 flow
[2023-11-19 07:41:31,623 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 178 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-19 07:41:31,625 INFO  L231             Difference]: Finished difference. Result has 40 places, 32 transitions, 113 flow
[2023-11-19 07:41:31,628 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=40, PETRI_TRANSITIONS=32}
[2023-11-19 07:41:31,637 INFO  L281   CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places.
[2023-11-19 07:41:31,637 INFO  L495      AbstractCegarLoop]: Abstraction has has 40 places, 32 transitions, 113 flow
[2023-11-19 07:41:31,638 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:31,638 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:41:31,638 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:41:31,639 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:41:31,639 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-19 07:41:31,640 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:41:31,640 INFO  L85        PathProgramCache]: Analyzing trace with hash -1549654859, now seen corresponding path program 1 times
[2023-11-19 07:41:31,641 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:41:31,641 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747521004]
[2023-11-19 07:41:31,641 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:41:31,642 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:41:31,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:41:31,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:41:31,768 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:41:31,768 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747521004]
[2023-11-19 07:41:31,769 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747521004] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:41:31,769 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:41:31,769 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:41:31,769 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565927511]
[2023-11-19 07:41:31,769 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:41:31,771 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:41:31,771 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:41:31,772 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:41:31,772 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:41:31,778 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 227
[2023-11-19 07:41:31,779 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 32 transitions, 113 flow. Second operand  has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:31,780 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:41:31,780 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 227
[2023-11-19 07:41:31,780 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:41:32,168 INFO  L124   PetriNetUnfolderBase]: 1004/1745 cut-off events.
[2023-11-19 07:41:32,168 INFO  L125   PetriNetUnfolderBase]: For 106/116 co-relation queries the response was YES.
[2023-11-19 07:41:32,174 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4717 conditions, 1745 events. 1004/1745 cut-off events. For 106/116 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 10314 event pairs, 261 based on Foata normal form. 162/1394 useless extension candidates. Maximal degree in co-relation 4706. Up to 1034 conditions per place. 
[2023-11-19 07:41:32,189 INFO  L140   encePairwiseOnDemand]: 213/227 looper letters, 44 selfloop transitions, 13 changer transitions 0/59 dead transitions.
[2023-11-19 07:41:32,189 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 59 transitions, 307 flow
[2023-11-19 07:41:32,189 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:41:32,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:41:32,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 454 transitions.
[2023-11-19 07:41:32,193 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.5
[2023-11-19 07:41:32,194 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 454 transitions.
[2023-11-19 07:41:32,195 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 454 transitions.
[2023-11-19 07:41:32,198 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:41:32,198 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 454 transitions.
[2023-11-19 07:41:32,200 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 113.5) internal successors, (454), 4 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,205 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,207 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,207 INFO  L175             Difference]: Start difference. First operand has 40 places, 32 transitions, 113 flow. Second operand 4 states and 454 transitions.
[2023-11-19 07:41:32,208 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 59 transitions, 307 flow
[2023-11-19 07:41:32,210 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 59 transitions, 302 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:41:32,212 INFO  L231             Difference]: Finished difference. Result has 44 places, 40 transitions, 213 flow
[2023-11-19 07:41:32,216 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=213, PETRI_PLACES=44, PETRI_TRANSITIONS=40}
[2023-11-19 07:41:32,217 INFO  L281   CegarLoopForPetriNet]: 41 programPoint places, 3 predicate places.
[2023-11-19 07:41:32,217 INFO  L495      AbstractCegarLoop]: Abstraction has has 44 places, 40 transitions, 213 flow
[2023-11-19 07:41:32,218 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,218 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:41:32,218 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:41:32,219 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:41:32,219 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-19 07:41:32,222 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:41:32,222 INFO  L85        PathProgramCache]: Analyzing trace with hash 2032962750, now seen corresponding path program 1 times
[2023-11-19 07:41:32,223 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:41:32,223 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548619195]
[2023-11-19 07:41:32,224 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:41:32,224 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:41:32,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:41:32,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:41:32,352 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:41:32,352 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548619195]
[2023-11-19 07:41:32,352 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548619195] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:41:32,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:41:32,355 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:41:32,355 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380041750]
[2023-11-19 07:41:32,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:41:32,356 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:41:32,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:41:32,357 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:41:32,357 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:41:32,365 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 227
[2023-11-19 07:41:32,366 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 40 transitions, 213 flow. Second operand  has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,367 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:41:32,367 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 227
[2023-11-19 07:41:32,367 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:41:32,601 INFO  L124   PetriNetUnfolderBase]: 548/891 cut-off events.
[2023-11-19 07:41:32,602 INFO  L125   PetriNetUnfolderBase]: For 932/958 co-relation queries the response was YES.
[2023-11-19 07:41:32,604 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 891 events. 548/891 cut-off events. For 932/958 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3958 event pairs, 170 based on Foata normal form. 222/982 useless extension candidates. Maximal degree in co-relation 2851. Up to 786 conditions per place. 
[2023-11-19 07:41:32,611 INFO  L140   encePairwiseOnDemand]: 218/227 looper letters, 35 selfloop transitions, 5 changer transitions 0/42 dead transitions.
[2023-11-19 07:41:32,611 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 263 flow
[2023-11-19 07:41:32,612 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:41:32,612 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:41:32,614 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 432 transitions.
[2023-11-19 07:41:32,614 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.47577092511013214
[2023-11-19 07:41:32,615 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 432 transitions.
[2023-11-19 07:41:32,615 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 432 transitions.
[2023-11-19 07:41:32,615 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:41:32,615 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 432 transitions.
[2023-11-19 07:41:32,617 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,620 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,621 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,621 INFO  L175             Difference]: Start difference. First operand has 44 places, 40 transitions, 213 flow. Second operand 4 states and 432 transitions.
[2023-11-19 07:41:32,621 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 263 flow
[2023-11-19 07:41:32,628 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 240 flow, removed 4 selfloop flow, removed 3 redundant places.
[2023-11-19 07:41:32,630 INFO  L231             Difference]: Finished difference. Result has 40 places, 32 transitions, 144 flow
[2023-11-19 07:41:32,630 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=144, PETRI_PLACES=40, PETRI_TRANSITIONS=32}
[2023-11-19 07:41:32,632 INFO  L281   CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places.
[2023-11-19 07:41:32,632 INFO  L495      AbstractCegarLoop]: Abstraction has has 40 places, 32 transitions, 144 flow
[2023-11-19 07:41:32,633 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,633 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:41:32,633 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:41:32,633 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:41:32,639 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-19 07:41:32,640 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:41:32,640 INFO  L85        PathProgramCache]: Analyzing trace with hash 1655647330, now seen corresponding path program 1 times
[2023-11-19 07:41:32,640 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:41:32,640 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367012985]
[2023-11-19 07:41:32,642 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:41:32,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:41:32,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:41:32,772 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:41:32,772 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:41:32,772 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367012985]
[2023-11-19 07:41:32,772 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367012985] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:41:32,773 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:41:32,773 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:41:32,773 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699065192]
[2023-11-19 07:41:32,773 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:41:32,774 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:41:32,774 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:41:32,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:41:32,775 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:41:32,781 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 227
[2023-11-19 07:41:32,783 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 32 transitions, 144 flow. Second operand  has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:32,783 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:41:32,783 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 227
[2023-11-19 07:41:32,783 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:41:32,986 INFO  L124   PetriNetUnfolderBase]: 296/495 cut-off events.
[2023-11-19 07:41:32,986 INFO  L125   PetriNetUnfolderBase]: For 442/462 co-relation queries the response was YES.
[2023-11-19 07:41:32,988 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1476 conditions, 495 events. 296/495 cut-off events. For 442/462 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1881 event pairs, 61 based on Foata normal form. 40/518 useless extension candidates. Maximal degree in co-relation 1463. Up to 176 conditions per place. 
[2023-11-19 07:41:32,992 INFO  L140   encePairwiseOnDemand]: 217/227 looper letters, 41 selfloop transitions, 13 changer transitions 4/60 dead transitions.
[2023-11-19 07:41:32,992 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 60 transitions, 344 flow
[2023-11-19 07:41:32,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:41:32,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:41:32,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 553 transitions.
[2023-11-19 07:41:32,996 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.48722466960352423
[2023-11-19 07:41:32,996 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 553 transitions.
[2023-11-19 07:41:32,996 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 553 transitions.
[2023-11-19 07:41:32,997 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:41:32,997 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 553 transitions.
[2023-11-19 07:41:32,999 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,003 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,004 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,005 INFO  L175             Difference]: Start difference. First operand has 40 places, 32 transitions, 144 flow. Second operand 5 states and 553 transitions.
[2023-11-19 07:41:33,005 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 60 transitions, 344 flow
[2023-11-19 07:41:33,007 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 60 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:41:33,008 INFO  L231             Difference]: Finished difference. Result has 43 places, 32 transitions, 182 flow
[2023-11-19 07:41:33,008 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=182, PETRI_PLACES=43, PETRI_TRANSITIONS=32}
[2023-11-19 07:41:33,010 INFO  L281   CegarLoopForPetriNet]: 41 programPoint places, 2 predicate places.
[2023-11-19 07:41:33,010 INFO  L495      AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 182 flow
[2023-11-19 07:41:33,011 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,011 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:41:33,011 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:41:33,011 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:41:33,012 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-19 07:41:33,012 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:41:33,012 INFO  L85        PathProgramCache]: Analyzing trace with hash 1715771107, now seen corresponding path program 1 times
[2023-11-19 07:41:33,012 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:41:33,013 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296801005]
[2023-11-19 07:41:33,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:41:33,013 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:41:33,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:41:33,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:41:33,125 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:41:33,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296801005]
[2023-11-19 07:41:33,125 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296801005] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:41:33,126 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:41:33,126 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:41:33,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617605032]
[2023-11-19 07:41:33,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:41:33,127 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:41:33,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:41:33,128 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:41:33,128 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:41:33,135 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 227
[2023-11-19 07:41:33,137 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 182 flow. Second operand  has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,137 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:41:33,137 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 227
[2023-11-19 07:41:33,137 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:41:33,290 INFO  L124   PetriNetUnfolderBase]: 269/437 cut-off events.
[2023-11-19 07:41:33,290 INFO  L125   PetriNetUnfolderBase]: For 510/530 co-relation queries the response was YES.
[2023-11-19 07:41:33,292 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1489 conditions, 437 events. 269/437 cut-off events. For 510/530 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1639 event pairs, 51 based on Foata normal form. 28/460 useless extension candidates. Maximal degree in co-relation 1475. Up to 176 conditions per place. 
[2023-11-19 07:41:33,293 INFO  L140   encePairwiseOnDemand]: 217/227 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions.
[2023-11-19 07:41:33,293 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 50 transitions, 296 flow
[2023-11-19 07:41:33,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-19 07:41:33,294 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:41:33,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 641 transitions.
[2023-11-19 07:41:33,297 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.47063142437591776
[2023-11-19 07:41:33,297 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 641 transitions.
[2023-11-19 07:41:33,297 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 641 transitions.
[2023-11-19 07:41:33,298 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:41:33,298 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 641 transitions.
[2023-11-19 07:41:33,301 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 106.83333333333333) internal successors, (641), 6 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,304 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,305 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,306 INFO  L175             Difference]: Start difference. First operand has 43 places, 32 transitions, 182 flow. Second operand 6 states and 641 transitions.
[2023-11-19 07:41:33,339 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 50 transitions, 296 flow
[2023-11-19 07:41:33,345 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 241 flow, removed 8 selfloop flow, removed 6 redundant places.
[2023-11-19 07:41:33,346 INFO  L231             Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow
[2023-11-19 07:41:33,346 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0}
[2023-11-19 07:41:33,347 INFO  L281   CegarLoopForPetriNet]: 41 programPoint places, -5 predicate places.
[2023-11-19 07:41:33,347 INFO  L495      AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow
[2023-11-19 07:41:33,348 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:41:33,355 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2023-11-19 07:41:33,356 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2023-11-19 07:41:33,356 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2023-11-19 07:41:33,357 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2023-11-19 07:41:33,357 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2023-11-19 07:41:33,357 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2023-11-19 07:41:33,357 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2023-11-19 07:41:33,357 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2023-11-19 07:41:33,358 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2023-11-19 07:41:33,359 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2023-11-19 07:41:33,359 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2023-11-19 07:41:33,359 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2023-11-19 07:41:33,360 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2023-11-19 07:41:33,360 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2023-11-19 07:41:33,360 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2023-11-19 07:41:33,361 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2023-11-19 07:41:33,361 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2023-11-19 07:41:33,361 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2023-11-19 07:41:33,362 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2023-11-19 07:41:33,362 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2023-11-19 07:41:33,362 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:41:33,362 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 07:41:33,369 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:41:33,369 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:41:33,374 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:33 BasicIcfg
[2023-11-19 07:41:33,374 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:41:33,375 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:41:33,375 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:41:33,375 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:41:33,376 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:26" (3/4) ...
[2023-11-19 07:41:33,378 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:41:33,382 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 07:41:33,382 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 07:41:33,382 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-19 07:41:33,382 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2023-11-19 07:41:33,388 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2023-11-19 07:41:33,388 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:41:33,388 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:41:33,389 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:41:33,483 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:41:33,484 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:41:33,484 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:41:33,485 INFO  L158              Benchmark]: Toolchain (without parser) took 9140.15ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 121.2MB in the beginning and 208.0MB in the end (delta: -86.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,485 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:41:33,486 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 787.63ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 100.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,486 INFO  L158              Benchmark]: Boogie Procedure Inliner took 89.47ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 98.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,487 INFO  L158              Benchmark]: Boogie Preprocessor took 82.09ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 96.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,487 INFO  L158              Benchmark]: RCFGBuilder took 749.87ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 77.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,488 INFO  L158              Benchmark]: TraceAbstraction took 7312.45ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 77.5MB in the beginning and 213.2MB in the end (delta: -135.7MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,488 INFO  L158              Benchmark]: Witness Printer took 109.68ms. Allocated memory is still 270.5MB. Free memory was 213.2MB in the beginning and 208.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:41:33,491 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 787.63ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 100.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 89.47ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 98.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 82.09ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 96.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 749.87ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 77.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 7312.45ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 77.5MB in the beginning and 213.2MB in the end (delta: -135.7MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB.
 * Witness Printer took 109.68ms. Allocated memory is still 270.5MB. Free memory was 213.2MB in the beginning and 208.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 3.8s, 125 PlacesBefore, 41 PlacesAfterwards, 115 TransitionsBefore, 29 TransitionsAfterwards, 4246 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 108 TotalNumberOfCompositions, 8487 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4732, independent: 4553, independent conditional: 0, independent unconditional: 4553, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2341, independent: 2296, independent conditional: 0, independent unconditional: 2296, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4732, independent: 2257, independent conditional: 0, independent unconditional: 2257, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 2341, unknown conditional: 0, unknown unconditional: 2341] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - PositiveResult [Line: 734]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 734]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 746]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 746]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 761]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 761]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 773]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 773]: 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 9 procedures, 159 locations, 20 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: 7.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 342 IncrementalHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 1 mSDtfsCounter, 342 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 0.6s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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
    8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:41:33,532 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce655ef-1a45-4755-934c-b22f5a58b602/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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