./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.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_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/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_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/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_e496e282-3341-4a6e-b5c4-522ed901698b/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 6f413b41672ef8cb3f594e0d22a82a07ab4d735f8bfa69fff7e94198d51bd0eb
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:37:04,524 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:37:04,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:37:04,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:37:04,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:37:04,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:37:04,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:37:04,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:37:04,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:37:04,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:37:04,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:37:04,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:37:04,632 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:37:04,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:37:04,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:37:04,634 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:37:04,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:37:04,635 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:37:04,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:37:04,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:37:04,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:37:04,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:37:04,638 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:37:04,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:37:04,640 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:37:04,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:37:04,641 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:37:04,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:37:04,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:37:04,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:37:04,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:37:04,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:37:04,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:37:04,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:37:04,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:37:04,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:37:04,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:37:04,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:37:04,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:37:04,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:37:04,647 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:37:04,648 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_e496e282-3341-4a6e-b5c4-522ed901698b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f413b41672ef8cb3f594e0d22a82a07ab4d735f8bfa69fff7e94198d51bd0eb
[2023-11-19 07:37:04,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:37:04,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:37:04,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:37:04,968 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:37:04,969 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:37:04,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i
[2023-11-19 07:37:08,184 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:37:08,453 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:37:08,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i
[2023-11-19 07:37:08,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/data/14c0140a4/3e05d5bd28ad4624be898831163fe990/FLAG9260269bb
[2023-11-19 07:37:08,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/data/14c0140a4/3e05d5bd28ad4624be898831163fe990
[2023-11-19 07:37:08,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:37:08,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:37:08,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:37:08,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:37:08,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:37:08,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:08" (1/1) ...
[2023-11-19 07:37:08,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0fc02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:08, skipping insertion in model container
[2023-11-19 07:37:08,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:08" (1/1) ...
[2023-11-19 07:37:08,560 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:37:09,043 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:37:09,061 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:37:09,155 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:37:09,206 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:37:09,206 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:37:09,213 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:37:09,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09 WrapperNode
[2023-11-19 07:37:09,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:37:09,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:37:09,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:37:09,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:37:09,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,285 INFO L138 Inliner]: procedures = 176, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139
[2023-11-19 07:37:09,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:37:09,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:37:09,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:37:09,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:37:09,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:37:09,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:37:09,329 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:37:09,329 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:37:09,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ...
[2023-11-19 07:37:09,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:37:09,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:37:09,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:37:09,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:37:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:37:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:37:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:37:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:37:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:37:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:37:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 07:37:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 07:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 07:37:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 07:37:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 07:37:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 07:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:37:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:37:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:37:09,423 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 07:37:09,601 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:37:09,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:37:10,027 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:37:10,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:37:10,338 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:37:10,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:10 BoogieIcfgContainer
[2023-11-19 07:37:10,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:37:10,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:37:10,351 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:37:10,354 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:37:10,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:08" (1/3) ...
[2023-11-19 07:37:10,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a2ee60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:10, skipping insertion in model container
[2023-11-19 07:37:10,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (2/3) ...
[2023-11-19 07:37:10,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a2ee60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:10, skipping insertion in model container
[2023-11-19 07:37:10,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:10" (3/3) ...
[2023-11-19 07:37:10,360 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.i
[2023-11-19 07:37:10,368 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:37:10,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:37:10,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 07:37:10,380 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:37:10,450 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:37:10,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 138 transitions, 288 flow
[2023-11-19 07:37:10,557 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events.
[2023-11-19 07:37:10,557 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:37:10,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place.
[2023-11-19 07:37:10,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 138 transitions, 288 flow
[2023-11-19 07:37:10,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 135 transitions, 279 flow
[2023-11-19 07:37:10,575 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:37:10,586 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 135 transitions, 279 flow
[2023-11-19 07:37:10,589 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 135 transitions, 279 flow
[2023-11-19 07:37:10,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 135 transitions, 279 flow
[2023-11-19 07:37:10,651 INFO L124 PetriNetUnfolderBase]: 3/135 cut-off events.
[2023-11-19 07:37:10,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:37:10,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 135 events. 3/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place.
[2023-11-19 07:37:10,660 INFO L119 LiptonReduction]: Number of co-enabled transitions 2738
[2023-11-19 07:37:18,787 INFO L134 LiptonReduction]: Checked pairs total: 7286
[2023-11-19 07:37:18,787 INFO L136 LiptonReduction]: Total number of compositions: 125
[2023-11-19 07:37:18,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:37:18,812 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;@304e6e69, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:37:18,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-19 07:37:18,821 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:37:18,821 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events.
[2023-11-19 07:37:18,822 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:37:18,822 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:37:18,823 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:37:18,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:37:18,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash 669875339, now seen corresponding path program 1 times
[2023-11-19 07:37:18,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:37:18,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059510510]
[2023-11-19 07:37:18,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:37:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:37:19,269 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 07:37:19,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:37:19,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059510510]
[2023-11-19 07:37:19,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059510510] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:37:19,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:37:19,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:37:19,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936475345]
[2023-11-19 07:37:19,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:37:19,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:37:19,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:37:19,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:37:19,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:37:19,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 263
[2023-11-19 07:37:19,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 07:37:19,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:37:19,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 263
[2023-11-19 07:37:19,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:37:20,013 INFO L124 PetriNetUnfolderBase]: 1667/2438 cut-off events.
[2023-11-19 07:37:20,014 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2023-11-19 07:37:20,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4933 conditions, 2438 events. 1667/2438 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10335 event pairs, 1667 based on Foata normal form. 120/1974 useless extension candidates. Maximal degree in co-relation 4922. Up to 2438 conditions per place.
[2023-11-19 07:37:20,050 INFO L140 encePairwiseOnDemand]: 258/263 looper letters, 22 selfloop transitions, 1 changer transitions 0/23 dead transitions.
[2023-11-19 07:37:20,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 23 transitions, 101 flow
[2023-11-19 07:37:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:37:20,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:37:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions.
[2023-11-19 07:37:20,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4752851711026616
[2023-11-19 07:37:20,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 375 transitions.
[2023-11-19 07:37:20,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions.
[2023-11-19 07:37:20,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:37:20,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions.
[2023-11-19 07:37:20,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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 07:37:20,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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 07:37:20,105 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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 07:37:20,107 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 63 flow. Second operand 3 states and 375 transitions.
[2023-11-19 07:37:20,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 23 transitions, 101 flow
[2023-11-19 07:37:20,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 23 transitions, 98 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 07:37:20,115 INFO L231 Difference]: Finished difference. Result has 32 places, 23 transitions, 54 flow
[2023-11-19 07:37:20,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=32, PETRI_TRANSITIONS=23}
[2023-11-19 07:37:20,128 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -4 predicate places.
[2023-11-19 07:37:20,128 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 54 flow
[2023-11-19 07:37:20,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 07:37:20,129 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:37:20,129 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:37:20,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:37:20,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:37:20,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash 669875340, now seen corresponding path program 1 times
[2023-11-19 07:37:20,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:37:20,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440304402]
[2023-11-19 07:37:20,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:20,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:37:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:37:20,346 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 07:37:20,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:37:20,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440304402]
[2023-11-19 07:37:20,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440304402] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:37:20,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:37:20,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:37:20,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335464601]
[2023-11-19 07:37:20,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:37:20,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:37:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:37:20,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:37:20,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:37:20,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 263
[2023-11-19 07:37:20,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 07:37:20,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:37:20,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 263
[2023-11-19 07:37:20,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:37:20,711 INFO L124 PetriNetUnfolderBase]: 741/1186 cut-off events.
[2023-11-19 07:37:20,711 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:37:20,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1186 events. 741/1186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5047 event pairs, 265 based on Foata normal form. 0/960 useless extension candidates. Maximal degree in co-relation 2408. Up to 1033 conditions per place.
[2023-11-19 07:37:20,723 INFO L140 encePairwiseOnDemand]: 255/263 looper letters, 33 selfloop transitions, 4 changer transitions 0/37 dead transitions.
[2023-11-19 07:37:20,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 37 transitions, 160 flow
[2023-11-19 07:37:20,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:37:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:37:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions.
[2023-11-19 07:37:20,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49302915082382764
[2023-11-19 07:37:20,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 389 transitions.
[2023-11-19 07:37:20,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 389 transitions.
[2023-11-19 07:37:20,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:37:20,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 389 transitions.
[2023-11-19 07:37:20,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 07:37:20,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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 07:37:20,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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 07:37:20,744 INFO L175 Difference]: Start difference. First operand has 32 places, 23 transitions, 54 flow. Second operand 3 states and 389 transitions.
[2023-11-19 07:37:20,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 37 transitions, 160 flow
[2023-11-19 07:37:20,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 37 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:37:20,747 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 85 flow
[2023-11-19 07:37:20,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=34, PETRI_TRANSITIONS=26}
[2023-11-19 07:37:20,749 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -2 predicate places.
[2023-11-19 07:37:20,749 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 85 flow
[2023-11-19 07:37:20,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 07:37:20,750 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:37:20,750 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:37:20,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:37:20,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:37:20,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1156068061, now seen corresponding path program 1 times
[2023-11-19 07:37:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:37:20,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401310427]
[2023-11-19 07:37:20,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:20,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:37:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:37:20,883 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 07:37:20,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:37:20,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401310427]
[2023-11-19 07:37:20,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401310427] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:37:20,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:37:20,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:37:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083353077]
[2023-11-19 07:37:20,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:37:20,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:37:20,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:37:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:37:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:37:20,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 263
[2023-11-19 07:37:20,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 85 flow. Second operand has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 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 07:37:20,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:37:20,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 263
[2023-11-19 07:37:20,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:37:21,160 INFO L124 PetriNetUnfolderBase]: 298/509 cut-off events.
[2023-11-19 07:37:21,160 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES.
[2023-11-19 07:37:21,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 509 events. 298/509 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1828 event pairs, 103 based on Foata normal form. 26/517 useless extension candidates. Maximal degree in co-relation 1267. Up to 180 conditions per place.
[2023-11-19 07:37:21,167 INFO L140 encePairwiseOnDemand]: 255/263 looper letters, 39 selfloop transitions, 7 changer transitions 3/49 dead transitions.
[2023-11-19 07:37:21,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 49 transitions, 241 flow
[2023-11-19 07:37:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:37:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:37:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 517 transitions.
[2023-11-19 07:37:21,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4914448669201521
[2023-11-19 07:37:21,173 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 517 transitions.
[2023-11-19 07:37:21,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 517 transitions.
[2023-11-19 07:37:21,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:37:21,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 517 transitions.
[2023-11-19 07:37:21,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 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 07:37:21,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 263.0) internal successors, (1315), 5 states have internal predecessors, (1315), 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 07:37:21,182 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 263.0) internal successors, (1315), 5 states have internal predecessors, (1315), 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 07:37:21,182 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 85 flow. Second operand 4 states and 517 transitions.
[2023-11-19 07:37:21,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 49 transitions, 241 flow
[2023-11-19 07:37:21,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 49 transitions, 237 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:37:21,188 INFO L231 Difference]: Finished difference. Result has 37 places, 26 transitions, 109 flow
[2023-11-19 07:37:21,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=37, PETRI_TRANSITIONS=26}
[2023-11-19 07:37:21,190 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places.
[2023-11-19 07:37:21,191 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 109 flow
[2023-11-19 07:37:21,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 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 07:37:21,192 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:37:21,192 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:37:21,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:37:21,199 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 07:37:21,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:21,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2039557571, now seen corresponding path program 1 times
[2023-11-19 07:37:21,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:37:21,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351595678]
[2023-11-19 07:37:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:21,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:37:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:37:21,478 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 07:37:21,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:37:21,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351595678]
[2023-11-19 07:37:21,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351595678] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:37:21,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:37:21,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:37:21,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148911011]
[2023-11-19 07:37:21,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:37:21,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:37:21,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:37:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:37:21,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:37:21,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 263
[2023-11-19 07:37:21,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 07:37:21,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:37:21,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 263
[2023-11-19 07:37:21,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:37:21,649 INFO L124 PetriNetUnfolderBase]: 242/393 cut-off events.
[2023-11-19 07:37:21,649 INFO L125 PetriNetUnfolderBase]: For 330/330 co-relation queries the response was YES.
[2023-11-19 07:37:21,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 393 events. 242/393 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1348 event pairs, 87 based on Foata normal form. 15/408 useless extension candidates. Maximal degree in co-relation 1066. Up to 176 conditions per place.
[2023-11-19 07:37:21,651 INFO L140 encePairwiseOnDemand]: 255/263 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions.
[2023-11-19 07:37:21,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 39 transitions, 203 flow
[2023-11-19 07:37:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:37:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:37:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 623 transitions.
[2023-11-19 07:37:21,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4737642585551331
[2023-11-19 07:37:21,656 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 623 transitions.
[2023-11-19 07:37:21,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 623 transitions.
[2023-11-19 07:37:21,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:37:21,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 623 transitions.
[2023-11-19 07:37:21,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 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 07:37:21,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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 07:37:21,664 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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 07:37:21,664 INFO L175 Difference]: Start difference. First operand has 37 places, 26 transitions, 109 flow. Second operand 5 states and 623 transitions.
[2023-11-19 07:37:21,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 39 transitions, 203 flow
[2023-11-19 07:37:21,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 179 flow, removed 3 selfloop flow, removed 4 redundant places.
[2023-11-19 07:37:21,669 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow
[2023-11-19 07:37:21,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0}
[2023-11-19 07:37:21,671 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -6 predicate places.
[2023-11-19 07:37:21,671 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow
[2023-11-19 07:37:21,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 07:37:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-19 07:37:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-19 07:37:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-19 07:37:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-19 07:37:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-19 07:37:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-19 07:37:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-11-19 07:37:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-19 07:37:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2023-11-19 07:37:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-19 07:37:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-19 07:37:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-19 07:37:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-19 07:37:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-19 07:37:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-19 07:37:21,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:37:21,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:37:21,693 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:37:21,693 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:37:21,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:37:21 BasicIcfg
[2023-11-19 07:37:21,704 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:37:21,711 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:37:21,712 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:37:21,712 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:37:21,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:10" (3/4) ...
[2023-11-19 07:37:21,714 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:37:21,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 07:37:21,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 07:37:21,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-19 07:37:21,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:37:21,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:37:21,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:37:21,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:37:21,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:37:21,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:37:21,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:37:21,853 INFO L158 Benchmark]: Toolchain (without parser) took 13360.68ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 85.6MB in the beginning and 80.0MB in the end (delta: 5.6MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,853 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:37:21,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.21ms. Allocated memory is still 132.1MB. Free memory was 85.6MB in the beginning and 62.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.22ms. Allocated memory is still 132.1MB. Free memory was 62.5MB in the beginning and 60.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,854 INFO L158 Benchmark]: Boogie Preprocessor took 41.09ms. Allocated memory is still 132.1MB. Free memory was 60.3MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,855 INFO L158 Benchmark]: RCFGBuilder took 1017.86ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 58.4MB in the beginning and 96.5MB in the end (delta: -38.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,856 INFO L158 Benchmark]: TraceAbstraction took 11360.09ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 95.5MB in the beginning and 85.3MB in the end (delta: 10.3MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,856 INFO L158 Benchmark]: Witness Printer took 140.75ms. Allocated memory is still 201.3MB. Free memory was 85.3MB in the beginning and 80.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:37:21,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 721.21ms. Allocated memory is still 132.1MB. Free memory was 85.6MB in the beginning and 62.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 70.22ms. Allocated memory is still 132.1MB. Free memory was 62.5MB in the beginning and 60.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.09ms. Allocated memory is still 132.1MB. Free memory was 60.3MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1017.86ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 58.4MB in the beginning and 96.5MB in the end (delta: -38.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 11360.09ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 95.5MB in the beginning and 85.3MB in the end (delta: 10.3MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB.
* Witness Printer took 140.75ms. Allocated memory is still 201.3MB. Free memory was 85.3MB in the beginning and 80.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 8.2s, 142 PlacesBefore, 36 PlacesAfterwards, 135 TransitionsBefore, 27 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 7 FixpointIterations, 56 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 125 TotalNumberOfCompositions, 7286 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3953, independent: 3715, independent conditional: 0, independent unconditional: 3715, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1498, independent: 1460, independent conditional: 0, independent unconditional: 1460, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3953, independent: 2255, independent conditional: 0, independent unconditional: 2255, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 1498, unknown conditional: 0, unknown unconditional: 1498] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 784]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 784]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 796]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 796]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 816]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 816]: 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, 168 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: 11.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 4 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 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!
[2023-11-19 07:37:21,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e496e282-3341-4a6e-b5c4-522ed901698b/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