./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.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_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/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_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/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_18ac4f65-d0f5-4430-876d-7eecd37188e3/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 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:44:30,197 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:44:30,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:44:30,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:44:30,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:44:30,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:44:30,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:44:30,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:44:30,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:44:30,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:44:30,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:44:30,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:44:30,383 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:44:30,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:44:30,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:44:30,387 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:44:30,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:44:30,388 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:44:30,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:44:30,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:44:30,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:44:30,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:44:30,391 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:44:30,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:44:30,392 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:44:30,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:44:30,393 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:44:30,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:44:30,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:44:30,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:44:30,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:44:30,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:44:30,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:44:30,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:44:30,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:44:30,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:44:30,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:44:30,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:44:30,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:44:30,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:44:30,400 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:44:30,400 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_18ac4f65-d0f5-4430-876d-7eecd37188e3/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381
[2023-11-19 07:44:30,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:44:30,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:44:30,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:44:30,806 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:44:30,808 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:44:30,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i
[2023-11-19 07:44:33,976 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:44:34,259 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:44:34,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i
[2023-11-19 07:44:34,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/data/c4f190508/28cf7aabc71c422ab517bbbfcf13a0d5/FLAGaa82ef698
[2023-11-19 07:44:34,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/data/c4f190508/28cf7aabc71c422ab517bbbfcf13a0d5
[2023-11-19 07:44:34,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:44:34,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:44:34,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:34,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:44:34,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:44:34,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:34" (1/1) ...
[2023-11-19 07:44:34,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325e46af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34, skipping insertion in model container
[2023-11-19 07:44:34,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:34" (1/1) ...
[2023-11-19 07:44:34,413 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:44:34,946 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:34,964 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:44:35,083 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:35,130 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:44:35,130 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:44:35,138 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:44:35,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35 WrapperNode
[2023-11-19 07:44:35,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:35,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:35,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:44:35,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:44:35,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,229 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139
[2023-11-19 07:44:35,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:35,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:44:35,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:44:35,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:44:35,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:44:35,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:44:35,272 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:44:35,272 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:44:35,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (1/1) ...
[2023-11-19 07:44:35,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:44:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:44:35,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:44:35,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:44:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:44:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:44:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:44:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:44:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:44:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:44:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 07:44:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 07:44:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 07:44:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 07:44:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 07:44:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 07:44:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:44:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:44:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:44:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:44:35,437 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 07:44:35,609 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:44:35,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:44:36,128 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:44:36,554 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:44:36,555 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:44:36,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:36 BoogieIcfgContainer
[2023-11-19 07:44:36,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:44:36,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:44:36,566 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:44:36,570 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:44:36,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:34" (1/3) ...
[2023-11-19 07:44:36,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30952562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:36, skipping insertion in model container
[2023-11-19 07:44:36,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35" (2/3) ...
[2023-11-19 07:44:36,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30952562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:36, skipping insertion in model container
[2023-11-19 07:44:36,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:36" (3/3) ...
[2023-11-19 07:44:36,577 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_rmo.i
[2023-11-19 07:44:36,587 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:44:36,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:44:36,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 07:44:36,599 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:44:36,693 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:44:36,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 139 transitions, 290 flow
[2023-11-19 07:44:36,830 INFO L124 PetriNetUnfolderBase]: 3/136 cut-off events.
[2023-11-19 07:44:36,830 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:36,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 136 events. 3/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-19 07:44:36,842 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 139 transitions, 290 flow
[2023-11-19 07:44:36,848 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 136 transitions, 281 flow
[2023-11-19 07:44:36,853 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:44:36,865 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 136 transitions, 281 flow
[2023-11-19 07:44:36,869 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 136 transitions, 281 flow
[2023-11-19 07:44:36,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 136 transitions, 281 flow
[2023-11-19 07:44:36,930 INFO L124 PetriNetUnfolderBase]: 3/136 cut-off events.
[2023-11-19 07:44:36,930 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:36,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 136 events. 3/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-19 07:44:36,941 INFO L119 LiptonReduction]: Number of co-enabled transitions 2874
[2023-11-19 07:44:46,796 INFO L134 LiptonReduction]: Checked pairs total: 8197
[2023-11-19 07:44:46,797 INFO L136 LiptonReduction]: Total number of compositions: 126
[2023-11-19 07:44:46,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:44:46,823 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;@6482caad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:44:46,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-19 07:44:46,828 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:44:46,828 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events.
[2023-11-19 07:44:46,829 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:46,829 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:44:46,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:44:46,830 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 07:44:46,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:46,836 INFO L85 PathProgramCache]: Analyzing trace with hash 748997867, now seen corresponding path program 1 times
[2023-11-19 07:44:46,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:46,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391744838]
[2023-11-19 07:44:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:46,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:47,291 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 07:44:47,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:47,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391744838]
[2023-11-19 07:44:47,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391744838] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:47,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:47,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:44:47,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12933577]
[2023-11-19 07:44:47,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:47,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:44:47,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:47,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:44:47,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:44:47,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 265
[2023-11-19 07:44:47,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 59 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 07:44:47,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:44:47,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 265
[2023-11-19 07:44:47,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:44:47,873 INFO L124 PetriNetUnfolderBase]: 1164/1728 cut-off events.
[2023-11-19 07:44:47,873 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES.
[2023-11-19 07:44:47,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3520 conditions, 1728 events. 1164/1728 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7443 event pairs, 1164 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 3509. Up to 1725 conditions per place.
[2023-11-19 07:44:47,901 INFO L140 encePairwiseOnDemand]: 261/265 looper letters, 20 selfloop transitions, 1 changer transitions 0/22 dead transitions.
[2023-11-19 07:44:47,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 95 flow
[2023-11-19 07:44:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:44:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:44:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions.
[2023-11-19 07:44:47,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4679245283018868
[2023-11-19 07:44:47,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 372 transitions.
[2023-11-19 07:44:47,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 372 transitions.
[2023-11-19 07:44:47,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:47,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 372 transitions.
[2023-11-19 07:44:47,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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 07:44:47,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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 07:44:47,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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 07:44:47,941 INFO L175 Difference]: Start difference. First operand has 35 places, 25 transitions, 59 flow. Second operand 3 states and 372 transitions.
[2023-11-19 07:44:47,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 95 flow
[2023-11-19 07:44:47,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 22 transitions, 92 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 07:44:47,948 INFO L231 Difference]: Finished difference. Result has 31 places, 22 transitions, 52 flow
[2023-11-19 07:44:47,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=31, PETRI_TRANSITIONS=22}
[2023-11-19 07:44:47,954 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -4 predicate places.
[2023-11-19 07:44:47,954 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 52 flow
[2023-11-19 07:44:47,955 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 07:44:47,955 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:44:47,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:44:47,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:44:47,956 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 07:44:47,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:47,957 INFO L85 PathProgramCache]: Analyzing trace with hash 748997868, now seen corresponding path program 1 times
[2023-11-19 07:44:47,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:47,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875228576]
[2023-11-19 07:44:47,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:47,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:48,076 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 07:44:48,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:48,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875228576]
[2023-11-19 07:44:48,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875228576] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:48,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:48,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:44:48,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480705164]
[2023-11-19 07:44:48,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:48,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:44:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:48,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:44:48,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:44:48,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 265
[2023-11-19 07:44:48,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 52 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 07:44:48,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:44:48,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 265
[2023-11-19 07:44:48,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:44:48,479 INFO L124 PetriNetUnfolderBase]: 727/1127 cut-off events.
[2023-11-19 07:44:48,479 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:48,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2301 conditions, 1127 events. 727/1127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4851 event pairs, 246 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 2295. Up to 774 conditions per place.
[2023-11-19 07:44:48,490 INFO L140 encePairwiseOnDemand]: 258/265 looper letters, 33 selfloop transitions, 4 changer transitions 0/38 dead transitions.
[2023-11-19 07:44:48,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 38 transitions, 162 flow
[2023-11-19 07:44:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:44:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:44:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions.
[2023-11-19 07:44:48,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4880503144654088
[2023-11-19 07:44:48,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions.
[2023-11-19 07:44:48,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions.
[2023-11-19 07:44:48,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:48,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions.
[2023-11-19 07:44:48,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 07:44:48,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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 07:44:48,512 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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 07:44:48,513 INFO L175 Difference]: Start difference. First operand has 31 places, 22 transitions, 52 flow. Second operand 3 states and 388 transitions.
[2023-11-19 07:44:48,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 38 transitions, 162 flow
[2023-11-19 07:44:48,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 38 transitions, 161 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:44:48,517 INFO L231 Difference]: Finished difference. Result has 33 places, 25 transitions, 81 flow
[2023-11-19 07:44:48,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=33, PETRI_TRANSITIONS=25}
[2023-11-19 07:44:48,525 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places.
[2023-11-19 07:44:48,525 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 81 flow
[2023-11-19 07:44:48,526 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 07:44:48,526 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:44:48,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:48,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:44:48,527 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 07:44:48,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:48,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2065681556, now seen corresponding path program 1 times
[2023-11-19 07:44:48,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:48,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755677366]
[2023-11-19 07:44:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:48,716 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 07:44:48,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:48,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755677366]
[2023-11-19 07:44:48,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755677366] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:48,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:48,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:44:48,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639734030]
[2023-11-19 07:44:48,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:48,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:44:48,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:48,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:44:48,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:44:48,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 265
[2023-11-19 07:44:48,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 81 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 07:44:48,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:44:48,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 265
[2023-11-19 07:44:48,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:44:49,089 INFO L124 PetriNetUnfolderBase]: 576/888 cut-off events.
[2023-11-19 07:44:49,089 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES.
[2023-11-19 07:44:49,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2165 conditions, 888 events. 576/888 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3669 event pairs, 218 based on Foata normal form. 0/873 useless extension candidates. Maximal degree in co-relation 2157. Up to 369 conditions per place.
[2023-11-19 07:44:49,097 INFO L140 encePairwiseOnDemand]: 258/265 looper letters, 41 selfloop transitions, 7 changer transitions 3/52 dead transitions.
[2023-11-19 07:44:49,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 52 transitions, 249 flow
[2023-11-19 07:44:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:44:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:44:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 518 transitions.
[2023-11-19 07:44:49,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48867924528301887
[2023-11-19 07:44:49,100 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 518 transitions.
[2023-11-19 07:44:49,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 518 transitions.
[2023-11-19 07:44:49,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:49,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 518 transitions.
[2023-11-19 07:44:49,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 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 07:44:49,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 265.0) internal successors, (1325), 5 states have internal predecessors, (1325), 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 07:44:49,107 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 265.0) internal successors, (1325), 5 states have internal predecessors, (1325), 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 07:44:49,107 INFO L175 Difference]: Start difference. First operand has 33 places, 25 transitions, 81 flow. Second operand 4 states and 518 transitions.
[2023-11-19 07:44:49,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 52 transitions, 249 flow
[2023-11-19 07:44:49,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 52 transitions, 245 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:44:49,110 INFO L231 Difference]: Finished difference. Result has 36 places, 25 transitions, 103 flow
[2023-11-19 07:44:49,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=103, PETRI_PLACES=36, PETRI_TRANSITIONS=25}
[2023-11-19 07:44:49,111 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 1 predicate places.
[2023-11-19 07:44:49,111 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 25 transitions, 103 flow
[2023-11-19 07:44:49,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 07:44:49,112 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:44:49,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:49,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:44:49,112 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 07:44:49,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1126185127, now seen corresponding path program 1 times
[2023-11-19 07:44:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:49,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220341975]
[2023-11-19 07:44:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:49,279 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 07:44:49,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:49,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220341975]
[2023-11-19 07:44:49,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220341975] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:49,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:49,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:44:49,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276750443]
[2023-11-19 07:44:49,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:49,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:44:49,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:44:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:44:49,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 265
[2023-11-19 07:44:49,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 25 transitions, 103 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 07:44:49,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:44:49,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 265
[2023-11-19 07:44:49,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:44:49,640 INFO L124 PetriNetUnfolderBase]: 556/852 cut-off events.
[2023-11-19 07:44:49,640 INFO L125 PetriNetUnfolderBase]: For 660/660 co-relation queries the response was YES.
[2023-11-19 07:44:49,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2223 conditions, 852 events. 556/852 cut-off events. For 660/660 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3510 event pairs, 218 based on Foata normal form. 12/861 useless extension candidates. Maximal degree in co-relation 2213. Up to 369 conditions per place.
[2023-11-19 07:44:49,644 INFO L140 encePairwiseOnDemand]: 258/265 looper letters, 0 selfloop transitions, 0 changer transitions 46/46 dead transitions.
[2023-11-19 07:44:49,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 46 transitions, 229 flow
[2023-11-19 07:44:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:44:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:44:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 628 transitions.
[2023-11-19 07:44:49,648 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4739622641509434
[2023-11-19 07:44:49,648 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 628 transitions.
[2023-11-19 07:44:49,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 628 transitions.
[2023-11-19 07:44:49,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:49,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 628 transitions.
[2023-11-19 07:44:49,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.6) internal successors, (628), 5 states have internal predecessors, (628), 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 07:44:49,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 265.0) internal successors, (1590), 6 states have internal predecessors, (1590), 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 07:44:49,656 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 265.0) internal successors, (1590), 6 states have internal predecessors, (1590), 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 07:44:49,656 INFO L175 Difference]: Start difference. First operand has 36 places, 25 transitions, 103 flow. Second operand 5 states and 628 transitions.
[2023-11-19 07:44:49,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 46 transitions, 229 flow
[2023-11-19 07:44:49,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 46 transitions, 205 flow, removed 3 selfloop flow, removed 4 redundant places.
[2023-11-19 07:44:49,663 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow
[2023-11-19 07:44:49,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0}
[2023-11-19 07:44:49,665 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places.
[2023-11-19 07:44:49,665 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow
[2023-11-19 07:44:49,666 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 07:44:49,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-19 07:44:49,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-19 07:44:49,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-19 07:44:49,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-19 07:44:49,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-19 07:44:49,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-19 07:44:49,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-11-19 07:44:49,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-19 07:44:49,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2023-11-19 07:44:49,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-19 07:44:49,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-19 07:44:49,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-19 07:44:49,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-19 07:44:49,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-19 07:44:49,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-19 07:44:49,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:44:49,677 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:44:49,684 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:44:49,684 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:44:49,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:49 BasicIcfg
[2023-11-19 07:44:49,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:44:49,695 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:44:49,695 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:44:49,695 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:44:49,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:36" (3/4) ...
[2023-11-19 07:44:49,698 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:44:49,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 07:44:49,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 07:44:49,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-19 07:44:49,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:44:49,709 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:44:49,709 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:44:49,709 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:44:49,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:44:49,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:44:49,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:44:49,823 INFO L158 Benchmark]: Toolchain (without parser) took 15512.79ms. Allocated memory was 142.6MB in the beginning and 270.5MB in the end (delta: 127.9MB). Free memory was 97.3MB in the beginning and 176.9MB in the end (delta: -79.6MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,824 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 107.0MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:44:49,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.14ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 72.6MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.37ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 70.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,825 INFO L158 Benchmark]: Boogie Preprocessor took 41.67ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,825 INFO L158 Benchmark]: RCFGBuilder took 1289.50ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 99.6MB in the end (delta: -31.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,826 INFO L158 Benchmark]: TraceAbstraction took 13128.78ms. Allocated memory was 142.6MB in the beginning and 270.5MB in the end (delta: 127.9MB). Free memory was 98.7MB in the beginning and 182.1MB in the end (delta: -83.4MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,826 INFO L158 Benchmark]: Witness Printer took 127.66ms. Allocated memory is still 270.5MB. Free memory was 182.1MB in the beginning and 176.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:44:49,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 107.0MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 826.14ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 72.6MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 89.37ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 70.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.67ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1289.50ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 99.6MB in the end (delta: -31.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 13128.78ms. Allocated memory was 142.6MB in the beginning and 270.5MB in the end (delta: 127.9MB). Free memory was 98.7MB in the beginning and 182.1MB in the end (delta: -83.4MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB.
* Witness Printer took 127.66ms. Allocated memory is still 270.5MB. Free memory was 182.1MB in the beginning and 176.9MB 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: 9.9s, 143 PlacesBefore, 35 PlacesAfterwards, 136 TransitionsBefore, 25 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 3 ChoiceCompositions, 126 TotalNumberOfCompositions, 8197 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3222, independent: 2941, independent conditional: 0, independent unconditional: 2941, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1579, independent: 1525, independent conditional: 0, independent unconditional: 1525, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3222, independent: 1416, independent conditional: 0, independent unconditional: 1416, dependent: 227, dependent conditional: 0, dependent unconditional: 227, unknown: 1579, unknown conditional: 0, unknown unconditional: 1579] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, 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: 815]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 815]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 832]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 832]: 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, 170 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: 12.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 4 mSDtfsCounter, 176 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=103occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 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 07:44:49,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ac4f65-d0f5-4430-876d-7eecd37188e3/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