./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_tso.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_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/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_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/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_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/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 e61e21f5d7e6e4d5f8f06eb5177c457338190644d81fa4e1ee7a1000b79020da
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:04:17,220 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:04:17,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 08:04:17,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:04:17,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:04:17,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:04:17,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:04:17,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:04:17,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:04:17,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:04:17,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:04:17,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:04:17,401 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:04:17,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:04:17,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:04:17,404 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:04:17,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:04:17,405 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:04:17,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:04:17,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:04:17,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:04:17,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:04:17,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 08:04:17,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:04:17,408 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:04:17,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:04:17,409 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:04:17,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:04:17,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:04:17,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:04:17,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:04:17,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:04:17,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:04:17,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:04:17,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:04:17,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:04:17,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:04:17,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:04:17,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:04:17,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:04:17,417 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:04:17,417 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_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e61e21f5d7e6e4d5f8f06eb5177c457338190644d81fa4e1ee7a1000b79020da
[2023-11-19 08:04:17,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:04:17,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:04:17,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:04:17,772 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:04:17,773 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:04:17,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i
[2023-11-19 08:04:21,016 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:04:21,379 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:04:21,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/sv-benchmarks/c/pthread-wmm/mix033_tso.oepc.i
[2023-11-19 08:04:21,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/data/682d40b10/0b055d38957647e3999df1f6e709fce5/FLAG714d0c7d2
[2023-11-19 08:04:21,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/data/682d40b10/0b055d38957647e3999df1f6e709fce5
[2023-11-19 08:04:21,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:04:21,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:04:21,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:04:21,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:04:21,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:04:21,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:21" (1/1) ...
[2023-11-19 08:04:21,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4f6d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:21, skipping insertion in model container
[2023-11-19 08:04:21,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:21" (1/1) ...
[2023-11-19 08:04:21,511 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:04:22,052 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:04:22,073 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:04:22,153 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:04:22,188 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:04:22,188 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:04:22,197 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:04:22,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22 WrapperNode
[2023-11-19 08:04:22,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:04:22,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:04:22,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:04:22,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:04:22,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,310 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 162
[2023-11-19 08:04:22,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:04:22,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:04:22,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:04:22,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:04:22,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:04:22,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:04:22,388 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:04:22,388 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:04:22,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (1/1) ...
[2023-11-19 08:04:22,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:04:22,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:04:22,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:04:22,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:04:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:04:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 08:04:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:04:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:04:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:04:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 08:04:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 08:04:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 08:04:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 08:04:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 08:04:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 08:04:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:04:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 08:04:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:04:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:04:22,496 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 08:04:22,644 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:04:22,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:04:23,019 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:04:23,294 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:04:23,294 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:04:23,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:23 BoogieIcfgContainer
[2023-11-19 08:04:23,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:04:23,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:04:23,308 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:04:23,312 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:04:23,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:21" (1/3) ...
[2023-11-19 08:04:23,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b46ac23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:23, skipping insertion in model container
[2023-11-19 08:04:23,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:22" (2/3) ...
[2023-11-19 08:04:23,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b46ac23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:23, skipping insertion in model container
[2023-11-19 08:04:23,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:23" (3/3) ...
[2023-11-19 08:04:23,317 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_tso.oepc.i
[2023-11-19 08:04:23,328 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:04:23,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:04:23,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 08:04:23,342 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:04:23,432 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 08:04:23,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 128 transitions, 268 flow
[2023-11-19 08:04:23,546 INFO L124 PetriNetUnfolderBase]: 3/125 cut-off events.
[2023-11-19 08:04:23,547 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:04:23,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 125 events. 3/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place.
[2023-11-19 08:04:23,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 128 transitions, 268 flow
[2023-11-19 08:04:23,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 125 transitions, 259 flow
[2023-11-19 08:04:23,567 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:04:23,585 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 125 transitions, 259 flow
[2023-11-19 08:04:23,589 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 125 transitions, 259 flow
[2023-11-19 08:04:23,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 125 transitions, 259 flow
[2023-11-19 08:04:23,677 INFO L124 PetriNetUnfolderBase]: 3/125 cut-off events.
[2023-11-19 08:04:23,677 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:04:23,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 125 events. 3/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place.
[2023-11-19 08:04:23,698 INFO L119 LiptonReduction]: Number of co-enabled transitions 3338
[2023-11-19 08:04:28,549 INFO L134 LiptonReduction]: Checked pairs total: 10824
[2023-11-19 08:04:28,549 INFO L136 LiptonReduction]: Total number of compositions: 105
[2023-11-19 08:04:28,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:04:28,585 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;@7f5b4cbd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:04:28,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-19 08:04:28,602 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:04:28,603 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events.
[2023-11-19 08:04:28,603 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:04:28,604 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:04:28,604 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 08:04:28,618 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 08:04:28,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:04:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2443112, now seen corresponding path program 1 times
[2023-11-19 08:04:28,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:04:28,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965694497]
[2023-11-19 08:04:28,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:04:28,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:04:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:04:28,971 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 08:04:28,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:04:28,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965694497]
[2023-11-19 08:04:28,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965694497] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:04:28,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:04:28,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 08:04:28,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427857662]
[2023-11-19 08:04:28,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:04:28,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:04:28,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:04:29,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:04:29,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:04:29,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 233
[2023-11-19 08:04:29,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 08:04:29,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:04:29,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 233
[2023-11-19 08:04:29,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:04:29,662 INFO L124 PetriNetUnfolderBase]: 1457/2328 cut-off events.
[2023-11-19 08:04:29,663 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES.
[2023-11-19 08:04:29,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4685 conditions, 2328 events. 1457/2328 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 11900 event pairs, 609 based on Foata normal form. 162/1917 useless extension candidates. Maximal degree in co-relation 4674. Up to 1969 conditions per place.
[2023-11-19 08:04:29,690 INFO L140 encePairwiseOnDemand]: 221/233 looper letters, 40 selfloop transitions, 4 changer transitions 0/47 dead transitions.
[2023-11-19 08:04:29,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 47 transitions, 197 flow
[2023-11-19 08:04:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:04:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:04:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions.
[2023-11-19 08:04:29,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5264663805436338
[2023-11-19 08:04:29,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 368 transitions.
[2023-11-19 08:04:29,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions.
[2023-11-19 08:04:29,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:04:29,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions.
[2023-11-19 08:04:29,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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 08:04:29,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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 08:04:29,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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 08:04:29,727 INFO L175 Difference]: Start difference. First operand has 41 places, 32 transitions, 73 flow. Second operand 3 states and 368 transitions.
[2023-11-19 08:04:29,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 47 transitions, 197 flow
[2023-11-19 08:04:29,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 08:04:29,734 INFO L231 Difference]: Finished difference. Result has 41 places, 34 transitions, 106 flow
[2023-11-19 08:04:29,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=41, PETRI_TRANSITIONS=34}
[2023-11-19 08:04:29,741 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 0 predicate places.
[2023-11-19 08:04:29,741 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 34 transitions, 106 flow
[2023-11-19 08:04:29,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 08:04:29,742 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:04:29,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:04:29,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:04:29,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-19 08:04:29,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:04:29,743 INFO L85 PathProgramCache]: Analyzing trace with hash -587466118, now seen corresponding path program 1 times
[2023-11-19 08:04:29,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:04:29,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245107891]
[2023-11-19 08:04:29,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:04:29,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:04:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:04:29,971 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 08:04:29,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:04:29,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245107891]
[2023-11-19 08:04:29,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245107891] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:04:29,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:04:29,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:04:29,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243956509]
[2023-11-19 08:04:29,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:04:29,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:04:29,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:04:29,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:04:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:04:29,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 233
[2023-11-19 08:04:29,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 34 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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 08:04:29,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:04:29,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 233
[2023-11-19 08:04:29,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:04:30,430 INFO L124 PetriNetUnfolderBase]: 1097/1760 cut-off events.
[2023-11-19 08:04:30,430 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES.
[2023-11-19 08:04:30,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4197 conditions, 1760 events. 1097/1760 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8619 event pairs, 401 based on Foata normal form. 0/1563 useless extension candidates. Maximal degree in co-relation 4186. Up to 1400 conditions per place.
[2023-11-19 08:04:30,449 INFO L140 encePairwiseOnDemand]: 226/233 looper letters, 37 selfloop transitions, 4 changer transitions 0/44 dead transitions.
[2023-11-19 08:04:30,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 206 flow
[2023-11-19 08:04:30,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:04:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 08:04:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions.
[2023-11-19 08:04:30,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4978540772532189
[2023-11-19 08:04:30,453 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 464 transitions.
[2023-11-19 08:04:30,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 464 transitions.
[2023-11-19 08:04:30,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:04:30,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 464 transitions.
[2023-11-19 08:04:30,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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 08:04:30,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 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 08:04:30,462 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 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 08:04:30,462 INFO L175 Difference]: Start difference. First operand has 41 places, 34 transitions, 106 flow. Second operand 4 states and 464 transitions.
[2023-11-19 08:04:30,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 206 flow
[2023-11-19 08:04:30,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 44 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 08:04:30,465 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 98 flow
[2023-11-19 08:04:30,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=98, PETRI_PLACES=40, PETRI_TRANSITIONS=31}
[2023-11-19 08:04:30,466 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places.
[2023-11-19 08:04:30,467 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 98 flow
[2023-11-19 08:04:30,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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 08:04:30,467 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:04:30,468 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:04:30,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:04:30,468 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 08:04:30,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:04:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash -587466117, now seen corresponding path program 1 times
[2023-11-19 08:04:30,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:04:30,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861186215]
[2023-11-19 08:04:30,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:04:30,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:04:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:04:30,585 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 08:04:30,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:04:30,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861186215]
[2023-11-19 08:04:30,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861186215] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:04:30,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:04:30,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:04:30,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77838449]
[2023-11-19 08:04:30,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:04:30,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:04:30,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:04:30,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:04:30,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:04:30,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 233
[2023-11-19 08:04:30,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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 08:04:30,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:04:30,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 233
[2023-11-19 08:04:30,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:04:30,862 INFO L124 PetriNetUnfolderBase]: 498/847 cut-off events.
[2023-11-19 08:04:30,862 INFO L125 PetriNetUnfolderBase]: For 229/229 co-relation queries the response was YES.
[2023-11-19 08:04:30,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2007 conditions, 847 events. 498/847 cut-off events. For 229/229 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3738 event pairs, 215 based on Foata normal form. 40/862 useless extension candidates. Maximal degree in co-relation 1995. Up to 326 conditions per place.
[2023-11-19 08:04:30,869 INFO L140 encePairwiseOnDemand]: 225/233 looper letters, 45 selfloop transitions, 7 changer transitions 3/58 dead transitions.
[2023-11-19 08:04:30,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 58 transitions, 274 flow
[2023-11-19 08:04:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:04:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 08:04:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 479 transitions.
[2023-11-19 08:04:30,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5139484978540773
[2023-11-19 08:04:30,873 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 479 transitions.
[2023-11-19 08:04:30,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 479 transitions.
[2023-11-19 08:04:30,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:04:30,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 479 transitions.
[2023-11-19 08:04:30,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 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 08:04:30,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 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 08:04:30,880 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 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 08:04:30,881 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 98 flow. Second operand 4 states and 479 transitions.
[2023-11-19 08:04:30,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 58 transitions, 274 flow
[2023-11-19 08:04:30,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 58 transitions, 269 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 08:04:30,885 INFO L231 Difference]: Finished difference. Result has 42 places, 31 transitions, 121 flow
[2023-11-19 08:04:30,886 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=121, PETRI_PLACES=42, PETRI_TRANSITIONS=31}
[2023-11-19 08:04:30,887 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 1 predicate places.
[2023-11-19 08:04:30,888 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 121 flow
[2023-11-19 08:04:30,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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 08:04:30,889 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:04:30,889 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:04:30,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:04:30,890 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 08:04:30,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:04:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash 776999239, now seen corresponding path program 1 times
[2023-11-19 08:04:30,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:04:30,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816685106]
[2023-11-19 08:04:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:04:30,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:04:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:04:31,042 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 08:04:31,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:04:31,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816685106]
[2023-11-19 08:04:31,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816685106] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:04:31,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:04:31,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:04:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650719240]
[2023-11-19 08:04:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:04:31,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:04:31,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:04:31,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:04:31,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:04:31,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 233
[2023-11-19 08:04:31,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 121 flow. Second operand has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 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 08:04:31,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:04:31,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 233
[2023-11-19 08:04:31,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:04:31,285 INFO L124 PetriNetUnfolderBase]: 434/715 cut-off events.
[2023-11-19 08:04:31,285 INFO L125 PetriNetUnfolderBase]: For 474/474 co-relation queries the response was YES.
[2023-11-19 08:04:31,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 715 events. 434/715 cut-off events. For 474/474 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3117 event pairs, 199 based on Foata normal form. 17/725 useless extension candidates. Maximal degree in co-relation 1872. Up to 326 conditions per place.
[2023-11-19 08:04:31,289 INFO L140 encePairwiseOnDemand]: 225/233 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions.
[2023-11-19 08:04:31,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 235 flow
[2023-11-19 08:04:31,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:04:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 08:04:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 574 transitions.
[2023-11-19 08:04:31,292 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927038626609442
[2023-11-19 08:04:31,292 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 574 transitions.
[2023-11-19 08:04:31,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 574 transitions.
[2023-11-19 08:04:31,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:04:31,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 574 transitions.
[2023-11-19 08:04:31,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 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 08:04:31,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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 08:04:31,299 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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 08:04:31,299 INFO L175 Difference]: Start difference. First operand has 42 places, 31 transitions, 121 flow. Second operand 5 states and 574 transitions.
[2023-11-19 08:04:31,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 235 flow
[2023-11-19 08:04:31,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 48 transitions, 211 flow, removed 3 selfloop flow, removed 4 redundant places.
[2023-11-19 08:04:31,303 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow
[2023-11-19 08:04:31,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0}
[2023-11-19 08:04:31,304 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -6 predicate places.
[2023-11-19 08:04:31,304 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow
[2023-11-19 08:04:31,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 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 08:04:31,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-19 08:04:31,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-19 08:04:31,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-19 08:04:31,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-19 08:04:31,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-19 08:04:31,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-19 08:04:31,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-11-19 08:04:31,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-19 08:04:31,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2023-11-19 08:04:31,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-19 08:04:31,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-19 08:04:31,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-19 08:04:31,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-19 08:04:31,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-19 08:04:31,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-19 08:04:31,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:04:31,312 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 08:04:31,317 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 08:04:31,318 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:04:31,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:31 BasicIcfg
[2023-11-19 08:04:31,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:04:31,323 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:04:31,323 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:04:31,323 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:04:31,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:23" (3/4) ...
[2023-11-19 08:04:31,325 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:04:31,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 08:04:31,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 08:04:31,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-19 08:04:31,335 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges
[2023-11-19 08:04:31,335 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2023-11-19 08:04:31,336 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 08:04:31,336 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:04:31,438 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:04:31,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:04:31,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:04:31,440 INFO L158 Benchmark]: Toolchain (without parser) took 10004.74ms. Allocated memory was 132.1MB in the beginning and 222.3MB in the end (delta: 90.2MB). Free memory was 86.8MB in the beginning and 78.9MB in the end (delta: 7.9MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB.
[2023-11-19 08:04:31,440 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:04:31,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.92ms. Allocated memory is still 132.1MB. Free memory was 86.4MB in the beginning and 63.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 08:04:31,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.63ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 101.6MB in the end (delta: -38.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
[2023-11-19 08:04:31,441 INFO L158 Benchmark]: Boogie Preprocessor took 51.29ms. Allocated memory is still 184.5MB. Free memory was 156.4MB in the beginning and 155.4MB in the end (delta: 993.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:04:31,442 INFO L158 Benchmark]: RCFGBuilder took 914.87ms. Allocated memory is still 184.5MB. Free memory was 155.3MB in the beginning and 114.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2023-11-19 08:04:31,442 INFO L158 Benchmark]: TraceAbstraction took 8014.06ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 113.5MB in the beginning and 84.2MB in the end (delta: 29.3MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB.
[2023-11-19 08:04:31,443 INFO L158 Benchmark]: Witness Printer took 116.41ms. Allocated memory is still 222.3MB. Free memory was 84.2MB in the beginning and 78.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:04:31,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 758.92ms. Allocated memory is still 132.1MB. Free memory was 86.4MB in the beginning and 63.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 111.63ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 101.6MB in the end (delta: -38.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.29ms. Allocated memory is still 184.5MB. Free memory was 156.4MB in the beginning and 155.4MB in the end (delta: 993.2kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 914.87ms. Allocated memory is still 184.5MB. Free memory was 155.3MB in the beginning and 114.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 8014.06ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 113.5MB in the beginning and 84.2MB in the end (delta: 29.3MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB.
* Witness Printer took 116.41ms. Allocated memory is still 222.3MB. Free memory was 84.2MB in the beginning and 78.9MB 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: 5.0s, 132 PlacesBefore, 41 PlacesAfterwards, 125 TransitionsBefore, 32 TransitionsAfterwards, 3338 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 105 TotalNumberOfCompositions, 10824 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3342, independent: 3033, independent conditional: 0, independent unconditional: 3033, dependent: 309, dependent conditional: 0, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1787, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3342, independent: 1296, independent conditional: 0, independent unconditional: 1296, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 1787, unknown conditional: 0, unknown unconditional: 1787] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 164, Positive conditional cache size: 0, Positive unconditional cache size: 164, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 764]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 764]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 799]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 799]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 825]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 825]: 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, 163 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: 7.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 1 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 08:04:31,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0feafc7-8c8c-4a87-9f0c-bc0beb0ff845/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