./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
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_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX --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 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:06:06,477 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:06:06,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 16:06:06,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:06:06,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:06:06,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:06:06,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:06:06,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:06:06,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:06:06,637 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:06:06,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:06:06,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:06:06,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:06:06,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:06:06,643 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:06:06,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:06:06,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:06:06,644 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:06:06,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:06:06,645 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:06:06,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:06:06,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:06:06,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:06:06,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:06:06,650 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:06:06,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:06:06,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:06:06,651 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:06:06,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:06:06,652 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:06:06,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:06:06,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:06:06,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:06:06,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:06:06,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:06:06,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:06:06,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:06:06,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:06:06,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:06:06,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:06:06,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:06:06,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:06:06,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:06:06,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:06:06,658 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_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6
[2024-11-08 16:06:06,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:06:06,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:06:06,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:06:07,000 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:06:07,001 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:06:07,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/fib_unsafe-11.i
Unable to find full path for "g++"
[2024-11-08 16:06:09,196 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:06:09,467 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:06:09,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/sv-benchmarks/c/pthread/fib_unsafe-11.i
[2024-11-08 16:06:09,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/data/ab3dc668d/8749a1fc74e14844b9c8a279d2f06d2c/FLAG5b887283a
[2024-11-08 16:06:09,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/data/ab3dc668d/8749a1fc74e14844b9c8a279d2f06d2c
[2024-11-08 16:06:09,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:06:09,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:06:09,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:06:09,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:06:09,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:06:09,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:06:09" (1/1) ...
[2024-11-08 16:06:09,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bb2148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:09, skipping insertion in model container
[2024-11-08 16:06:09,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:06:09" (1/1) ...
[2024-11-08 16:06:09,587 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:06:10,048 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:06:10,060 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:06:10,126 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:06:10,178 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:06:10,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10 WrapperNode
[2024-11-08 16:06:10,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:06:10,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:06:10,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:06:10,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:06:10,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,243 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71
[2024-11-08 16:06:10,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:06:10,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:06:10,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:06:10,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:06:10,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,275 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 16:06:10,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:06:10,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:06:10,292 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:06:10,293 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:06:10,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (1/1) ...
[2024-11-08 16:06:10,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:06:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:10,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:06:10,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:06:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure t1
[2024-11-08 16:06:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure t1
[2024-11-08 16:06:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure t2
[2024-11-08 16:06:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure t2
[2024-11-08 16:06:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 16:06:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:06:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:06:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 16:06:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:06:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:06:10,366 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 16:06:10,549 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:06:10,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:06:10,835 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:06:10,835 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:06:11,045 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:06:11,046 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:06:11,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:06:11 BoogieIcfgContainer
[2024-11-08 16:06:11,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:06:11,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:06:11,053 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:06:11,061 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:06:11,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:06:09" (1/3) ...
[2024-11-08 16:06:11,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4937656d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:06:11, skipping insertion in model container
[2024-11-08 16:06:11,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:06:10" (2/3) ...
[2024-11-08 16:06:11,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4937656d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:06:11, skipping insertion in model container
[2024-11-08 16:06:11,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:06:11" (3/3) ...
[2024-11-08 16:06:11,067 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-11.i
[2024-11-08 16:06:11,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:06:11,089 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-08 16:06:11,090 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:06:11,169 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 16:06:11,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 53 transitions, 114 flow
[2024-11-08 16:06:11,268 INFO L124 PetriNetUnfolderBase]: 6/51 cut-off events.
[2024-11-08 16:06:11,268 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:06:11,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 51 events. 6/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 145 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place.
[2024-11-08 16:06:11,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 53 transitions, 114 flow
[2024-11-08 16:06:11,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 51 transitions, 108 flow
[2024-11-08 16:06:11,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:06:11,308 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4356360a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:06:11,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2024-11-08 16:06:11,326 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:06:11,326 INFO L124 PetriNetUnfolderBase]: 3/21 cut-off events.
[2024-11-08 16:06:11,326 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:06:11,326 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:11,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:11,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:11,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:11,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1278590766, now seen corresponding path program 1 times
[2024-11-08 16:06:11,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:11,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402353616]
[2024-11-08 16:06:11,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:11,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402353616]
[2024-11-08 16:06:11,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402353616] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:11,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:11,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618215479]
[2024-11-08 16:06:11,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:11,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:11,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:11,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:11,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:11,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 51 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:11,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:11,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:11,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:12,290 INFO L124 PetriNetUnfolderBase]: 702/1468 cut-off events.
[2024-11-08 16:06:12,290 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-11-08 16:06:12,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2487 conditions, 1468 events. 702/1468 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9704 event pairs, 156 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 2471. Up to 514 conditions per place.
[2024-11-08 16:06:12,313 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 46 selfloop transitions, 5 changer transitions 0/78 dead transitions.
[2024-11-08 16:06:12,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 78 transitions, 267 flow
[2024-11-08 16:06:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions.
[2024-11-08 16:06:12,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8066037735849056
[2024-11-08 16:06:12,332 INFO L175 Difference]: Start difference. First operand has 52 places, 51 transitions, 108 flow. Second operand 4 states and 171 transitions.
[2024-11-08 16:06:12,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 78 transitions, 267 flow
[2024-11-08 16:06:12,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:06:12,342 INFO L231 Difference]: Finished difference. Result has 54 places, 54 transitions, 137 flow
[2024-11-08 16:06:12,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=54, PETRI_TRANSITIONS=54}
[2024-11-08 16:06:12,348 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places.
[2024-11-08 16:06:12,349 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 54 transitions, 137 flow
[2024-11-08 16:06:12,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:12,350 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:12,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:12,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:06:12,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:12,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash -365068075, now seen corresponding path program 1 times
[2024-11-08 16:06:12,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:12,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612838361]
[2024-11-08 16:06:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:12,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:12,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:12,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612838361]
[2024-11-08 16:06:12,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612838361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:12,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:12,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:12,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012646781]
[2024-11-08 16:06:12,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:12,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:12,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:12,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:12,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:12,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 53
[2024-11-08 16:06:12,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 137 flow. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:12,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:12,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 53
[2024-11-08 16:06:12,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:12,906 INFO L124 PetriNetUnfolderBase]: 1006/1878 cut-off events.
[2024-11-08 16:06:12,907 INFO L125 PetriNetUnfolderBase]: For 192/192 co-relation queries the response was YES.
[2024-11-08 16:06:12,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3829 conditions, 1878 events. 1006/1878 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 12595 event pairs, 213 based on Foata normal form. 115/1622 useless extension candidates. Maximal degree in co-relation 3813. Up to 911 conditions per place.
[2024-11-08 16:06:12,926 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 57 selfloop transitions, 3 changer transitions 0/84 dead transitions.
[2024-11-08 16:06:12,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 84 transitions, 337 flow
[2024-11-08 16:06:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:12,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions.
[2024-11-08 16:06:12,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7830188679245284
[2024-11-08 16:06:12,931 INFO L175 Difference]: Start difference. First operand has 54 places, 54 transitions, 137 flow. Second operand 4 states and 166 transitions.
[2024-11-08 16:06:12,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 84 transitions, 337 flow
[2024-11-08 16:06:12,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 337 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 16:06:12,940 INFO L231 Difference]: Finished difference. Result has 59 places, 56 transitions, 163 flow
[2024-11-08 16:06:12,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=163, PETRI_PLACES=59, PETRI_TRANSITIONS=56}
[2024-11-08 16:06:12,942 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 7 predicate places.
[2024-11-08 16:06:12,942 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 163 flow
[2024-11-08 16:06:12,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:12,943 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:12,943 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:12,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:06:12,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:12,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:12,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1313995110, now seen corresponding path program 1 times
[2024-11-08 16:06:12,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:12,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223794608]
[2024-11-08 16:06:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:12,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:13,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:13,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223794608]
[2024-11-08 16:06:13,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223794608] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:13,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:13,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 16:06:13,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808562115]
[2024-11-08 16:06:13,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:13,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:06:13,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:06:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:06:13,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 53
[2024-11-08 16:06:13,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:13,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:13,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 53
[2024-11-08 16:06:13,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:13,526 INFO L124 PetriNetUnfolderBase]: 1258/2779 cut-off events.
[2024-11-08 16:06:13,526 INFO L125 PetriNetUnfolderBase]: For 437/594 co-relation queries the response was YES.
[2024-11-08 16:06:13,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5358 conditions, 2779 events. 1258/2779 cut-off events. For 437/594 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 22184 event pairs, 365 based on Foata normal form. 115/2246 useless extension candidates. Maximal degree in co-relation 5338. Up to 993 conditions per place.
[2024-11-08 16:06:13,556 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 44 selfloop transitions, 2 changer transitions 0/75 dead transitions.
[2024-11-08 16:06:13,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 75 transitions, 318 flow
[2024-11-08 16:06:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:06:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:06:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions.
[2024-11-08 16:06:13,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812
[2024-11-08 16:06:13,560 INFO L175 Difference]: Start difference. First operand has 59 places, 56 transitions, 163 flow. Second operand 3 states and 129 transitions.
[2024-11-08 16:06:13,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 75 transitions, 318 flow
[2024-11-08 16:06:13,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 75 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:06:13,566 INFO L231 Difference]: Finished difference. Result has 61 places, 57 transitions, 173 flow
[2024-11-08 16:06:13,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=61, PETRI_TRANSITIONS=57}
[2024-11-08 16:06:13,568 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 9 predicate places.
[2024-11-08 16:06:13,570 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 57 transitions, 173 flow
[2024-11-08 16:06:13,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:13,570 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:13,571 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:13,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:06:13,571 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:13,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2079142475, now seen corresponding path program 1 times
[2024-11-08 16:06:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981119326]
[2024-11-08 16:06:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:13,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:13,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:13,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981119326]
[2024-11-08 16:06:13,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981119326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:13,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:13,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 16:06:13,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657584094]
[2024-11-08 16:06:13,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:13,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:06:13,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:13,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:06:13,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:06:13,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 53
[2024-11-08 16:06:13,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:13,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:13,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 53
[2024-11-08 16:06:13,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:14,052 INFO L124 PetriNetUnfolderBase]: 1258/2727 cut-off events.
[2024-11-08 16:06:14,053 INFO L125 PetriNetUnfolderBase]: For 561/718 co-relation queries the response was YES.
[2024-11-08 16:06:14,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5500 conditions, 2727 events. 1258/2727 cut-off events. For 561/718 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 21469 event pairs, 365 based on Foata normal form. 105/2184 useless extension candidates. Maximal degree in co-relation 5478. Up to 993 conditions per place.
[2024-11-08 16:06:14,086 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 44 selfloop transitions, 2 changer transitions 0/75 dead transitions.
[2024-11-08 16:06:14,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 75 transitions, 325 flow
[2024-11-08 16:06:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:06:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:06:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions.
[2024-11-08 16:06:14,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812
[2024-11-08 16:06:14,089 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 173 flow. Second operand 3 states and 129 transitions.
[2024-11-08 16:06:14,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 75 transitions, 325 flow
[2024-11-08 16:06:14,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 75 transitions, 323 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:06:14,095 INFO L231 Difference]: Finished difference. Result has 63 places, 57 transitions, 179 flow
[2024-11-08 16:06:14,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=63, PETRI_TRANSITIONS=57}
[2024-11-08 16:06:14,097 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 11 predicate places.
[2024-11-08 16:06:14,098 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 57 transitions, 179 flow
[2024-11-08 16:06:14,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:14,098 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:14,099 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:14,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:06:14,099 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:14,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:14,100 INFO L85 PathProgramCache]: Analyzing trace with hash 689054452, now seen corresponding path program 1 times
[2024-11-08 16:06:14,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:14,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323423520]
[2024-11-08 16:06:14,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:14,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:14,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:14,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323423520]
[2024-11-08 16:06:14,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323423520] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:14,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:14,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:14,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774198348]
[2024-11-08 16:06:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:14,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:14,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:14,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:14,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:14,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 53
[2024-11-08 16:06:14,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 57 transitions, 179 flow. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:14,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:14,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 53
[2024-11-08 16:06:14,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:14,924 INFO L124 PetriNetUnfolderBase]: 2378/4389 cut-off events.
[2024-11-08 16:06:14,924 INFO L125 PetriNetUnfolderBase]: For 1326/1773 co-relation queries the response was YES.
[2024-11-08 16:06:14,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 4389 events. 2378/4389 cut-off events. For 1326/1773 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 33182 event pairs, 457 based on Foata normal form. 319/3959 useless extension candidates. Maximal degree in co-relation 9781. Up to 2321 conditions per place.
[2024-11-08 16:06:14,978 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 62 selfloop transitions, 3 changer transitions 0/90 dead transitions.
[2024-11-08 16:06:14,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 90 transitions, 419 flow
[2024-11-08 16:06:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 162 transitions.
[2024-11-08 16:06:14,980 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7641509433962265
[2024-11-08 16:06:14,981 INFO L175 Difference]: Start difference. First operand has 63 places, 57 transitions, 179 flow. Second operand 4 states and 162 transitions.
[2024-11-08 16:06:14,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 90 transitions, 419 flow
[2024-11-08 16:06:14,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 90 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:06:14,988 INFO L231 Difference]: Finished difference. Result has 66 places, 59 transitions, 201 flow
[2024-11-08 16:06:14,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=201, PETRI_PLACES=66, PETRI_TRANSITIONS=59}
[2024-11-08 16:06:14,991 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places.
[2024-11-08 16:06:14,991 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 201 flow
[2024-11-08 16:06:14,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:14,992 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:14,992 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:14,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 16:06:14,992 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:14,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:14,996 INFO L85 PathProgramCache]: Analyzing trace with hash -28907008, now seen corresponding path program 1 times
[2024-11-08 16:06:14,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:14,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136850212]
[2024-11-08 16:06:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:15,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:15,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136850212]
[2024-11-08 16:06:15,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136850212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:15,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:15,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:15,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32766684]
[2024-11-08 16:06:15,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:15,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:15,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:15,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:15,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:15,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 53
[2024-11-08 16:06:15,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 201 flow. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:15,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:15,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 53
[2024-11-08 16:06:15,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:15,764 INFO L124 PetriNetUnfolderBase]: 1874/3805 cut-off events.
[2024-11-08 16:06:15,764 INFO L125 PetriNetUnfolderBase]: For 1100/1645 co-relation queries the response was YES.
[2024-11-08 16:06:15,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8659 conditions, 3805 events. 1874/3805 cut-off events. For 1100/1645 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 30148 event pairs, 227 based on Foata normal form. 447/3619 useless extension candidates. Maximal degree in co-relation 8633. Up to 2025 conditions per place.
[2024-11-08 16:06:15,797 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 64 selfloop transitions, 3 changer transitions 0/94 dead transitions.
[2024-11-08 16:06:15,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 94 transitions, 463 flow
[2024-11-08 16:06:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 164 transitions.
[2024-11-08 16:06:15,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7735849056603774
[2024-11-08 16:06:15,799 INFO L175 Difference]: Start difference. First operand has 66 places, 59 transitions, 201 flow. Second operand 4 states and 164 transitions.
[2024-11-08 16:06:15,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 94 transitions, 463 flow
[2024-11-08 16:06:15,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 94 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:06:15,803 INFO L231 Difference]: Finished difference. Result has 70 places, 60 transitions, 221 flow
[2024-11-08 16:06:15,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=221, PETRI_PLACES=70, PETRI_TRANSITIONS=60}
[2024-11-08 16:06:15,804 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 18 predicate places.
[2024-11-08 16:06:15,804 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 60 transitions, 221 flow
[2024-11-08 16:06:15,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:15,805 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:15,805 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:15,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 16:06:15,806 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:15,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1399838103, now seen corresponding path program 1 times
[2024-11-08 16:06:15,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:15,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909992001]
[2024-11-08 16:06:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:15,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:15,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:15,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909992001]
[2024-11-08 16:06:15,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909992001] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:15,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:15,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:06:15,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491767622]
[2024-11-08 16:06:15,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:15,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:06:15,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:15,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:06:15,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:06:15,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:15,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 60 transitions, 221 flow. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:15,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:15,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:15,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:16,425 INFO L124 PetriNetUnfolderBase]: 1452/2999 cut-off events.
[2024-11-08 16:06:16,426 INFO L125 PetriNetUnfolderBase]: For 1510/1894 co-relation queries the response was YES.
[2024-11-08 16:06:16,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7594 conditions, 2999 events. 1452/2999 cut-off events. For 1510/1894 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 21996 event pairs, 216 based on Foata normal form. 77/2720 useless extension candidates. Maximal degree in co-relation 7563. Up to 1291 conditions per place.
[2024-11-08 16:06:16,459 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 66 selfloop transitions, 7 changer transitions 0/102 dead transitions.
[2024-11-08 16:06:16,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 102 transitions, 521 flow
[2024-11-08 16:06:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:06:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 16:06:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 209 transitions.
[2024-11-08 16:06:16,461 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7886792452830189
[2024-11-08 16:06:16,461 INFO L175 Difference]: Start difference. First operand has 70 places, 60 transitions, 221 flow. Second operand 5 states and 209 transitions.
[2024-11-08 16:06:16,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 102 transitions, 521 flow
[2024-11-08 16:06:16,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 102 transitions, 511 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:06:16,474 INFO L231 Difference]: Finished difference. Result has 73 places, 62 transitions, 250 flow
[2024-11-08 16:06:16,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=250, PETRI_PLACES=73, PETRI_TRANSITIONS=62}
[2024-11-08 16:06:16,475 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 21 predicate places.
[2024-11-08 16:06:16,476 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 62 transitions, 250 flow
[2024-11-08 16:06:16,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:16,476 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:16,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:16,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 16:06:16,477 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:16,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash 274026820, now seen corresponding path program 1 times
[2024-11-08 16:06:16,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:16,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830136915]
[2024-11-08 16:06:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:16,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:16,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:16,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830136915]
[2024-11-08 16:06:16,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830136915] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:16,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:16,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:06:16,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51015967]
[2024-11-08 16:06:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:16,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:06:16,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:16,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:06:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:06:16,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:16,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 62 transitions, 250 flow. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:16,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:16,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:16,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:17,017 INFO L124 PetriNetUnfolderBase]: 1238/2571 cut-off events.
[2024-11-08 16:06:17,017 INFO L125 PetriNetUnfolderBase]: For 1744/2093 co-relation queries the response was YES.
[2024-11-08 16:06:17,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6926 conditions, 2571 events. 1238/2571 cut-off events. For 1744/2093 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 18246 event pairs, 223 based on Foata normal form. 165/2634 useless extension candidates. Maximal degree in co-relation 6893. Up to 849 conditions per place.
[2024-11-08 16:06:17,044 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 66 selfloop transitions, 7 changer transitions 0/102 dead transitions.
[2024-11-08 16:06:17,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 102 transitions, 554 flow
[2024-11-08 16:06:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:06:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 16:06:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 206 transitions.
[2024-11-08 16:06:17,047 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7773584905660378
[2024-11-08 16:06:17,047 INFO L175 Difference]: Start difference. First operand has 73 places, 62 transitions, 250 flow. Second operand 5 states and 206 transitions.
[2024-11-08 16:06:17,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 102 transitions, 554 flow
[2024-11-08 16:06:17,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 102 transitions, 539 flow, removed 2 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:17,057 INFO L231 Difference]: Finished difference. Result has 75 places, 63 transitions, 264 flow
[2024-11-08 16:06:17,057 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=264, PETRI_PLACES=75, PETRI_TRANSITIONS=63}
[2024-11-08 16:06:17,058 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 23 predicate places.
[2024-11-08 16:06:17,060 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 63 transitions, 264 flow
[2024-11-08 16:06:17,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:17,061 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:17,061 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:17,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 16:06:17,061 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:17,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:17,065 INFO L85 PathProgramCache]: Analyzing trace with hash 274268111, now seen corresponding path program 1 times
[2024-11-08 16:06:17,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:17,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155700233]
[2024-11-08 16:06:17,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:17,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155700233]
[2024-11-08 16:06:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155700233] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:17,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:06:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741640242]
[2024-11-08 16:06:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:17,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:06:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:17,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:06:17,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:06:17,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:17,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 63 transitions, 264 flow. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:17,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:17,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:17,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:17,739 INFO L124 PetriNetUnfolderBase]: 1350/2823 cut-off events.
[2024-11-08 16:06:17,739 INFO L125 PetriNetUnfolderBase]: For 2689/3052 co-relation queries the response was YES.
[2024-11-08 16:06:17,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7828 conditions, 2823 events. 1350/2823 cut-off events. For 2689/3052 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20505 event pairs, 279 based on Foata normal form. 119/2938 useless extension candidates. Maximal degree in co-relation 7794. Up to 1236 conditions per place.
[2024-11-08 16:06:17,779 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 65 selfloop transitions, 9 changer transitions 0/103 dead transitions.
[2024-11-08 16:06:17,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 103 transitions, 576 flow
[2024-11-08 16:06:17,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:06:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 16:06:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 207 transitions.
[2024-11-08 16:06:17,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7811320754716982
[2024-11-08 16:06:17,781 INFO L175 Difference]: Start difference. First operand has 75 places, 63 transitions, 264 flow. Second operand 5 states and 207 transitions.
[2024-11-08 16:06:17,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 103 transitions, 576 flow
[2024-11-08 16:06:17,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 103 transitions, 563 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:17,790 INFO L231 Difference]: Finished difference. Result has 78 places, 67 transitions, 316 flow
[2024-11-08 16:06:17,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=316, PETRI_PLACES=78, PETRI_TRANSITIONS=67}
[2024-11-08 16:06:17,793 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places.
[2024-11-08 16:06:17,793 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 67 transitions, 316 flow
[2024-11-08 16:06:17,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:17,794 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:17,794 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:17,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 16:06:17,794 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:17,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:17,795 INFO L85 PathProgramCache]: Analyzing trace with hash 274268110, now seen corresponding path program 1 times
[2024-11-08 16:06:17,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:17,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474361500]
[2024-11-08 16:06:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:17,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:17,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474361500]
[2024-11-08 16:06:17,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474361500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:17,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:17,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:06:17,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543395326]
[2024-11-08 16:06:17,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:17,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:06:17,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:17,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:06:17,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:06:17,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:17,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 67 transitions, 316 flow. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:17,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:17,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:17,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:18,417 INFO L124 PetriNetUnfolderBase]: 1168/2501 cut-off events.
[2024-11-08 16:06:18,417 INFO L125 PetriNetUnfolderBase]: For 3550/3860 co-relation queries the response was YES.
[2024-11-08 16:06:18,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7191 conditions, 2501 events. 1168/2501 cut-off events. For 3550/3860 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 17836 event pairs, 258 based on Foata normal form. 147/2644 useless extension candidates. Maximal degree in co-relation 7154. Up to 1229 conditions per place.
[2024-11-08 16:06:18,451 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 6 changer transitions 0/89 dead transitions.
[2024-11-08 16:06:18,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 89 transitions, 514 flow
[2024-11-08 16:06:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:06:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 16:06:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 193 transitions.
[2024-11-08 16:06:18,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7283018867924528
[2024-11-08 16:06:18,453 INFO L175 Difference]: Start difference. First operand has 78 places, 67 transitions, 316 flow. Second operand 5 states and 193 transitions.
[2024-11-08 16:06:18,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 89 transitions, 514 flow
[2024-11-08 16:06:18,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 89 transitions, 496 flow, removed 3 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:18,463 INFO L231 Difference]: Finished difference. Result has 80 places, 65 transitions, 297 flow
[2024-11-08 16:06:18,464 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=80, PETRI_TRANSITIONS=65}
[2024-11-08 16:06:18,465 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 28 predicate places.
[2024-11-08 16:06:18,465 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 65 transitions, 297 flow
[2024-11-08 16:06:18,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:18,466 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:18,466 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:18,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 16:06:18,466 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:18,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash -286089201, now seen corresponding path program 1 times
[2024-11-08 16:06:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449655403]
[2024-11-08 16:06:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:18,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:18,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:18,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449655403]
[2024-11-08 16:06:18,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449655403] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:18,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774541588]
[2024-11-08 16:06:18,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:18,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:18,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:18,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 16:06:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:18,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:18,694 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:18,784 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:06:18,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774541588] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:18,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:06:18,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 16:06:18,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783923080]
[2024-11-08 16:06:18,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:18,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:06:18,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:18,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:06:18,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 16:06:18,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 53
[2024-11-08 16:06:18,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 65 transitions, 297 flow. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:18,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:18,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 53
[2024-11-08 16:06:18,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:19,475 INFO L124 PetriNetUnfolderBase]: 1723/3208 cut-off events.
[2024-11-08 16:06:19,476 INFO L125 PetriNetUnfolderBase]: For 5090/5563 co-relation queries the response was YES.
[2024-11-08 16:06:19,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9675 conditions, 3208 events. 1723/3208 cut-off events. For 5090/5563 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 22423 event pairs, 325 based on Foata normal form. 141/3245 useless extension candidates. Maximal degree in co-relation 9639. Up to 1368 conditions per place.
[2024-11-08 16:06:19,515 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 86 selfloop transitions, 5 changer transitions 0/116 dead transitions.
[2024-11-08 16:06:19,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 116 transitions, 719 flow
[2024-11-08 16:06:19,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:06:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:06:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions.
[2024-11-08 16:06:19,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.710691823899371
[2024-11-08 16:06:19,518 INFO L175 Difference]: Start difference. First operand has 80 places, 65 transitions, 297 flow. Second operand 6 states and 226 transitions.
[2024-11-08 16:06:19,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 116 transitions, 719 flow
[2024-11-08 16:06:19,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 116 transitions, 710 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:19,528 INFO L231 Difference]: Finished difference. Result has 81 places, 64 transitions, 294 flow
[2024-11-08 16:06:19,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=294, PETRI_PLACES=81, PETRI_TRANSITIONS=64}
[2024-11-08 16:06:19,529 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 29 predicate places.
[2024-11-08 16:06:19,529 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 64 transitions, 294 flow
[2024-11-08 16:06:19,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:19,530 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:19,530 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:19,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 16:06:19,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:19,735 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:19,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:19,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1297340425, now seen corresponding path program 1 times
[2024-11-08 16:06:19,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:19,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379298434]
[2024-11-08 16:06:19,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:19,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:19,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:19,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379298434]
[2024-11-08 16:06:19,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379298434] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:19,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597930319]
[2024-11-08 16:06:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:19,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:19,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:19,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:19,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 16:06:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:19,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:19,894 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:20,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:06:20,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597930319] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:20,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:06:20,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4
[2024-11-08 16:06:20,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011834024]
[2024-11-08 16:06:20,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:20,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:20,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:20,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:06:20,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 53
[2024-11-08 16:06:20,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 64 transitions, 294 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:20,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:20,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 53
[2024-11-08 16:06:20,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:20,482 INFO L124 PetriNetUnfolderBase]: 1168/2762 cut-off events.
[2024-11-08 16:06:20,483 INFO L125 PetriNetUnfolderBase]: For 4282/4478 co-relation queries the response was YES.
[2024-11-08 16:06:20,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7497 conditions, 2762 events. 1168/2762 cut-off events. For 4282/4478 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 21829 event pairs, 187 based on Foata normal form. 122/2803 useless extension candidates. Maximal degree in co-relation 7462. Up to 1216 conditions per place.
[2024-11-08 16:06:20,516 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 54 selfloop transitions, 2 changer transitions 0/85 dead transitions.
[2024-11-08 16:06:20,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 85 transitions, 537 flow
[2024-11-08 16:06:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 156 transitions.
[2024-11-08 16:06:20,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7358490566037735
[2024-11-08 16:06:20,518 INFO L175 Difference]: Start difference. First operand has 81 places, 64 transitions, 294 flow. Second operand 4 states and 156 transitions.
[2024-11-08 16:06:20,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 85 transitions, 537 flow
[2024-11-08 16:06:20,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 85 transitions, 531 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:20,526 INFO L231 Difference]: Finished difference. Result has 80 places, 63 transitions, 289 flow
[2024-11-08 16:06:20,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=289, PETRI_PLACES=80, PETRI_TRANSITIONS=63}
[2024-11-08 16:06:20,527 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 28 predicate places.
[2024-11-08 16:06:20,527 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 63 transitions, 289 flow
[2024-11-08 16:06:20,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:20,528 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:20,528 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:20,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 16:06:20,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:20,733 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:20,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:20,733 INFO L85 PathProgramCache]: Analyzing trace with hash -278830309, now seen corresponding path program 1 times
[2024-11-08 16:06:20,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:20,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113686689]
[2024-11-08 16:06:20,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:20,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 16:06:20,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:20,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113686689]
[2024-11-08 16:06:20,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113686689] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:20,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:20,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:20,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551442084]
[2024-11-08 16:06:20,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:20,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:20,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:20,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:20,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:20,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 53
[2024-11-08 16:06:20,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 63 transitions, 289 flow. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:20,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:20,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 53
[2024-11-08 16:06:20,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:21,400 INFO L124 PetriNetUnfolderBase]: 2118/3986 cut-off events.
[2024-11-08 16:06:21,400 INFO L125 PetriNetUnfolderBase]: For 6443/7287 co-relation queries the response was YES.
[2024-11-08 16:06:21,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11915 conditions, 3986 events. 2118/3986 cut-off events. For 6443/7287 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 29101 event pairs, 1026 based on Foata normal form. 208/4045 useless extension candidates. Maximal degree in co-relation 11880. Up to 1979 conditions per place.
[2024-11-08 16:06:21,442 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 6 changer transitions 0/98 dead transitions.
[2024-11-08 16:06:21,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 98 transitions, 611 flow
[2024-11-08 16:06:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 151 transitions.
[2024-11-08 16:06:21,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7122641509433962
[2024-11-08 16:06:21,443 INFO L175 Difference]: Start difference. First operand has 80 places, 63 transitions, 289 flow. Second operand 4 states and 151 transitions.
[2024-11-08 16:06:21,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 98 transitions, 611 flow
[2024-11-08 16:06:21,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 98 transitions, 602 flow, removed 1 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:21,457 INFO L231 Difference]: Finished difference. Result has 80 places, 62 transitions, 294 flow
[2024-11-08 16:06:21,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=294, PETRI_PLACES=80, PETRI_TRANSITIONS=62}
[2024-11-08 16:06:21,458 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 28 predicate places.
[2024-11-08 16:06:21,459 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 62 transitions, 294 flow
[2024-11-08 16:06:21,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:21,459 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:21,459 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:21,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-08 16:06:21,460 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:21,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:21,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1562847782, now seen corresponding path program 1 times
[2024-11-08 16:06:21,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:21,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481935621]
[2024-11-08 16:06:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:21,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481935621]
[2024-11-08 16:06:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481935621] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467979321]
[2024-11-08 16:06:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:21,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:21,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:21,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:21,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 16:06:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:21,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:21,639 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:21,745 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:06:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:21,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467979321] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:06:21,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:06:21,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6
[2024-11-08 16:06:21,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958091189]
[2024-11-08 16:06:21,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:06:21,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 16:06:21,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:21,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 16:06:21,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56
[2024-11-08 16:06:21,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:21,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 62 transitions, 294 flow. Second operand has 8 states, 8 states have (on average 32.375) internal successors, (259), 8 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:21,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:21,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:21,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:23,084 INFO L124 PetriNetUnfolderBase]: 3218/7231 cut-off events.
[2024-11-08 16:06:23,084 INFO L125 PetriNetUnfolderBase]: For 12411/12871 co-relation queries the response was YES.
[2024-11-08 16:06:23,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19401 conditions, 7231 events. 3218/7231 cut-off events. For 12411/12871 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 62368 event pairs, 187 based on Foata normal form. 370/7520 useless extension candidates. Maximal degree in co-relation 19366. Up to 1217 conditions per place.
[2024-11-08 16:06:23,190 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 129 selfloop transitions, 5 changer transitions 0/161 dead transitions.
[2024-11-08 16:06:23,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 161 transitions, 1142 flow
[2024-11-08 16:06:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:06:23,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:06:23,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 261 transitions.
[2024-11-08 16:06:23,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8207547169811321
[2024-11-08 16:06:23,193 INFO L175 Difference]: Start difference. First operand has 80 places, 62 transitions, 294 flow. Second operand 6 states and 261 transitions.
[2024-11-08 16:06:23,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 161 transitions, 1142 flow
[2024-11-08 16:06:23,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 161 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:06:23,209 INFO L231 Difference]: Finished difference. Result has 86 places, 65 transitions, 322 flow
[2024-11-08 16:06:23,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=322, PETRI_PLACES=86, PETRI_TRANSITIONS=65}
[2024-11-08 16:06:23,211 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places.
[2024-11-08 16:06:23,211 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 65 transitions, 322 flow
[2024-11-08 16:06:23,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.375) internal successors, (259), 8 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:23,213 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:23,213 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:23,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 16:06:23,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-08 16:06:23,414 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:23,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:23,416 INFO L85 PathProgramCache]: Analyzing trace with hash -254368722, now seen corresponding path program 1 times
[2024-11-08 16:06:23,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:23,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413190990]
[2024-11-08 16:06:23,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:23,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:23,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:23,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413190990]
[2024-11-08 16:06:23,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413190990] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:23,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805079045]
[2024-11-08 16:06:23,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:23,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:23,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:23,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:23,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 16:06:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:23,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:23,645 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:23,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:06:23,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805079045] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:23,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:06:23,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 16:06:23,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237677548]
[2024-11-08 16:06:23,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:23,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:06:23,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:23,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:06:23,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 16:06:23,734 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 53
[2024-11-08 16:06:23,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 65 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:23,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:23,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 53
[2024-11-08 16:06:23,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:25,059 INFO L124 PetriNetUnfolderBase]: 4393/8099 cut-off events.
[2024-11-08 16:06:25,059 INFO L125 PetriNetUnfolderBase]: For 15530/16016 co-relation queries the response was YES.
[2024-11-08 16:06:25,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25015 conditions, 8099 events. 4393/8099 cut-off events. For 15530/16016 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 62345 event pairs, 833 based on Foata normal form. 162/8057 useless extension candidates. Maximal degree in co-relation 24976. Up to 3420 conditions per place.
[2024-11-08 16:06:25,161 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 92 selfloop transitions, 5 changer transitions 0/119 dead transitions.
[2024-11-08 16:06:25,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 119 transitions, 826 flow
[2024-11-08 16:06:25,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:06:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:06:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 220 transitions.
[2024-11-08 16:06:25,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6918238993710691
[2024-11-08 16:06:25,163 INFO L175 Difference]: Start difference. First operand has 86 places, 65 transitions, 322 flow. Second operand 6 states and 220 transitions.
[2024-11-08 16:06:25,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 119 transitions, 826 flow
[2024-11-08 16:06:25,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 119 transitions, 784 flow, removed 16 selfloop flow, removed 2 redundant places.
[2024-11-08 16:06:25,185 INFO L231 Difference]: Finished difference. Result has 88 places, 64 transitions, 316 flow
[2024-11-08 16:06:25,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=316, PETRI_PLACES=88, PETRI_TRANSITIONS=64}
[2024-11-08 16:06:25,186 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 36 predicate places.
[2024-11-08 16:06:25,186 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 64 transitions, 316 flow
[2024-11-08 16:06:25,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:25,187 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:25,187 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:25,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 16:06:25,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-08 16:06:25,388 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:25,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:25,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1203641263, now seen corresponding path program 1 times
[2024-11-08 16:06:25,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783711425]
[2024-11-08 16:06:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:25,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:25,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783711425]
[2024-11-08 16:06:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783711425] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975865414]
[2024-11-08 16:06:25,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:25,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:25,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:25,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 16:06:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:25,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:25,576 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:25,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:06:25,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975865414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:25,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:06:25,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 16:06:25,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827371525]
[2024-11-08 16:06:25,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:25,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:06:25,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:25,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:06:25,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 16:06:25,653 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 53
[2024-11-08 16:06:25,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 64 transitions, 316 flow. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:25,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:25,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 53
[2024-11-08 16:06:25,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:26,881 INFO L124 PetriNetUnfolderBase]: 4130/7910 cut-off events.
[2024-11-08 16:06:26,881 INFO L125 PetriNetUnfolderBase]: For 16960/17171 co-relation queries the response was YES.
[2024-11-08 16:06:26,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24138 conditions, 7910 events. 4130/7910 cut-off events. For 16960/17171 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 62279 event pairs, 187 based on Foata normal form. 228/7829 useless extension candidates. Maximal degree in co-relation 24099. Up to 3952 conditions per place.
[2024-11-08 16:06:26,971 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 98 selfloop transitions, 8 changer transitions 0/129 dead transitions.
[2024-11-08 16:06:26,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 129 transitions, 941 flow
[2024-11-08 16:06:26,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:06:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:06:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions.
[2024-11-08 16:06:26,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.710691823899371
[2024-11-08 16:06:26,975 INFO L175 Difference]: Start difference. First operand has 88 places, 64 transitions, 316 flow. Second operand 6 states and 226 transitions.
[2024-11-08 16:06:26,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 129 transitions, 941 flow
[2024-11-08 16:06:27,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 129 transitions, 933 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:27,006 INFO L231 Difference]: Finished difference. Result has 89 places, 63 transitions, 323 flow
[2024-11-08 16:06:27,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=323, PETRI_PLACES=89, PETRI_TRANSITIONS=63}
[2024-11-08 16:06:27,007 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 37 predicate places.
[2024-11-08 16:06:27,008 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 63 transitions, 323 flow
[2024-11-08 16:06:27,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:27,008 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:27,009 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:27,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-08 16:06:27,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-08 16:06:27,210 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:27,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash 704504554, now seen corresponding path program 1 times
[2024-11-08 16:06:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:27,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012625775]
[2024-11-08 16:06:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 16:06:27,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:27,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012625775]
[2024-11-08 16:06:27,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012625775] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:27,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:27,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:27,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390124237]
[2024-11-08 16:06:27,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:27,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:27,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:27,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:27,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:27,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 53
[2024-11-08 16:06:27,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 63 transitions, 323 flow. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:27,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:27,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 53
[2024-11-08 16:06:27,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:28,694 INFO L124 PetriNetUnfolderBase]: 5275/8873 cut-off events.
[2024-11-08 16:06:28,694 INFO L125 PetriNetUnfolderBase]: For 16786/17110 co-relation queries the response was YES.
[2024-11-08 16:06:28,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29410 conditions, 8873 events. 5275/8873 cut-off events. For 16786/17110 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 65183 event pairs, 2749 based on Foata normal form. 360/8922 useless extension candidates. Maximal degree in co-relation 29371. Up to 5007 conditions per place.
[2024-11-08 16:06:28,783 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 6 changer transitions 0/100 dead transitions.
[2024-11-08 16:06:28,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 100 transitions, 705 flow
[2024-11-08 16:06:28,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:28,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 147 transitions.
[2024-11-08 16:06:28,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6933962264150944
[2024-11-08 16:06:28,785 INFO L175 Difference]: Start difference. First operand has 89 places, 63 transitions, 323 flow. Second operand 4 states and 147 transitions.
[2024-11-08 16:06:28,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 100 transitions, 705 flow
[2024-11-08 16:06:28,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 100 transitions, 690 flow, removed 1 selfloop flow, removed 4 redundant places.
[2024-11-08 16:06:28,824 INFO L231 Difference]: Finished difference. Result has 88 places, 62 transitions, 326 flow
[2024-11-08 16:06:28,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=326, PETRI_PLACES=88, PETRI_TRANSITIONS=62}
[2024-11-08 16:06:28,825 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 36 predicate places.
[2024-11-08 16:06:28,825 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 62 transitions, 326 flow
[2024-11-08 16:06:28,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:28,826 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:28,826 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:28,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-08 16:06:28,827 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:28,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:28,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1341826200, now seen corresponding path program 1 times
[2024-11-08 16:06:28,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311824527]
[2024-11-08 16:06:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 16:06:28,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311824527]
[2024-11-08 16:06:28,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311824527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:28,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:06:28,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:06:28,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963539859]
[2024-11-08 16:06:28,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:28,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:06:28,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:28,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:06:28,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:06:28,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 53
[2024-11-08 16:06:28,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 62 transitions, 326 flow. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:28,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:28,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 53
[2024-11-08 16:06:28,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:30,281 INFO L124 PetriNetUnfolderBase]: 4883/8484 cut-off events.
[2024-11-08 16:06:30,281 INFO L125 PetriNetUnfolderBase]: For 22783/22783 co-relation queries the response was YES.
[2024-11-08 16:06:30,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28277 conditions, 8484 events. 4883/8484 cut-off events. For 22783/22783 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 62987 event pairs, 1417 based on Foata normal form. 532/8919 useless extension candidates. Maximal degree in co-relation 28238. Up to 3649 conditions per place.
[2024-11-08 16:06:30,354 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 9 changer transitions 0/105 dead transitions.
[2024-11-08 16:06:30,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 105 transitions, 772 flow
[2024-11-08 16:06:30,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:06:30,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:06:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 152 transitions.
[2024-11-08 16:06:30,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7169811320754716
[2024-11-08 16:06:30,356 INFO L175 Difference]: Start difference. First operand has 88 places, 62 transitions, 326 flow. Second operand 4 states and 152 transitions.
[2024-11-08 16:06:30,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 105 transitions, 772 flow
[2024-11-08 16:06:30,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 105 transitions, 756 flow, removed 1 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:30,382 INFO L231 Difference]: Finished difference. Result has 88 places, 61 transitions, 332 flow
[2024-11-08 16:06:30,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=332, PETRI_PLACES=88, PETRI_TRANSITIONS=61}
[2024-11-08 16:06:30,382 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 36 predicate places.
[2024-11-08 16:06:30,383 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 61 transitions, 332 flow
[2024-11-08 16:06:30,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:30,383 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:30,383 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:30,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-08 16:06:30,383 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:30,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 593073353, now seen corresponding path program 1 times
[2024-11-08 16:06:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:30,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957877646]
[2024-11-08 16:06:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:30,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:30,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957877646]
[2024-11-08 16:06:30,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957877646] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:30,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100098465]
[2024-11-08 16:06:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:30,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:30,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:30,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 16:06:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:30,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:30,590 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:30,753 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:06:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:30,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100098465] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:06:30,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:06:30,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13
[2024-11-08 16:06:30,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217935565]
[2024-11-08 16:06:30,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:06:30,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 16:06:30,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:30,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 16:06:30,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182
[2024-11-08 16:06:31,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:31,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 61 transitions, 332 flow. Second operand has 14 states, 14 states have (on average 31.642857142857142) internal successors, (443), 14 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:31,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:31,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:31,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:36,213 INFO L124 PetriNetUnfolderBase]: 11247/23465 cut-off events.
[2024-11-08 16:06:36,214 INFO L125 PetriNetUnfolderBase]: For 69193/69193 co-relation queries the response was YES.
[2024-11-08 16:06:36,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78922 conditions, 23465 events. 11247/23465 cut-off events. For 69193/69193 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 228854 event pairs, 341 based on Foata normal form. 1442/24903 useless extension candidates. Maximal degree in co-relation 78880. Up to 4201 conditions per place.
[2024-11-08 16:06:36,488 INFO L140 encePairwiseOnDemand]: 44/53 looper letters, 393 selfloop transitions, 71 changer transitions 0/486 dead transitions.
[2024-11-08 16:06:36,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 486 transitions, 4012 flow
[2024-11-08 16:06:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-11-08 16:06:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2024-11-08 16:06:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 1157 transitions.
[2024-11-08 16:06:36,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7796495956873315
[2024-11-08 16:06:36,494 INFO L175 Difference]: Start difference. First operand has 88 places, 61 transitions, 332 flow. Second operand 28 states and 1157 transitions.
[2024-11-08 16:06:36,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 486 transitions, 4012 flow
[2024-11-08 16:06:36,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 486 transitions, 3710 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:06:36,608 INFO L231 Difference]: Finished difference. Result has 129 places, 133 transitions, 1286 flow
[2024-11-08 16:06:36,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1286, PETRI_PLACES=129, PETRI_TRANSITIONS=133}
[2024-11-08 16:06:36,609 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 77 predicate places.
[2024-11-08 16:06:36,609 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 133 transitions, 1286 flow
[2024-11-08 16:06:36,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 31.642857142857142) internal successors, (443), 14 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:36,610 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:36,610 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:36,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 16:06:36,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:36,811 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash 399273466, now seen corresponding path program 1 times
[2024-11-08 16:06:36,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:36,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004720235]
[2024-11-08 16:06:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:36,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:36,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:36,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004720235]
[2024-11-08 16:06:36,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004720235] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:36,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497234268]
[2024-11-08 16:06:36,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:36,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:36,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:36,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:36,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 16:06:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:37,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:37,088 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:37,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:06:37,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497234268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:06:37,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:06:37,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9
[2024-11-08 16:06:37,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952574720]
[2024-11-08 16:06:37,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:06:37,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:06:37,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:37,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:06:37,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-08 16:06:37,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:37,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 133 transitions, 1286 flow. Second operand has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:37,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:37,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:37,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:41,530 INFO L124 PetriNetUnfolderBase]: 9393/20737 cut-off events.
[2024-11-08 16:06:41,531 INFO L125 PetriNetUnfolderBase]: For 207024/207024 co-relation queries the response was YES.
[2024-11-08 16:06:41,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81772 conditions, 20737 events. 9393/20737 cut-off events. For 207024/207024 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 205252 event pairs, 1649 based on Foata normal form. 1656/22331 useless extension candidates. Maximal degree in co-relation 81711. Up to 6826 conditions per place.
[2024-11-08 16:06:41,860 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 88 selfloop transitions, 27 changer transitions 0/137 dead transitions.
[2024-11-08 16:06:41,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 137 transitions, 1421 flow
[2024-11-08 16:06:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:06:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:06:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 227 transitions.
[2024-11-08 16:06:41,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7138364779874213
[2024-11-08 16:06:41,863 INFO L175 Difference]: Start difference. First operand has 129 places, 133 transitions, 1286 flow. Second operand 6 states and 227 transitions.
[2024-11-08 16:06:41,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 137 transitions, 1421 flow
[2024-11-08 16:06:44,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 137 transitions, 1144 flow, removed 113 selfloop flow, removed 13 redundant places.
[2024-11-08 16:06:44,590 INFO L231 Difference]: Finished difference. Result has 117 places, 101 transitions, 725 flow
[2024-11-08 16:06:44,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=725, PETRI_PLACES=117, PETRI_TRANSITIONS=101}
[2024-11-08 16:06:44,591 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 65 predicate places.
[2024-11-08 16:06:44,592 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 101 transitions, 725 flow
[2024-11-08 16:06:44,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:44,592 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:44,592 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:44,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-08 16:06:44,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:44,794 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:44,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1263102071, now seen corresponding path program 1 times
[2024-11-08 16:06:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:44,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532640320]
[2024-11-08 16:06:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:44,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:44,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532640320]
[2024-11-08 16:06:44,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532640320] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:44,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401038315]
[2024-11-08 16:06:44,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:44,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:44,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:44,944 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:44,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 16:06:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:45,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:45,041 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:45,258 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:06:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:45,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401038315] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:06:45,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:06:45,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16
[2024-11-08 16:06:45,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728229111]
[2024-11-08 16:06:45,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:06:45,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-08 16:06:45,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:45,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-08 16:06:45,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272
[2024-11-08 16:06:45,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:45,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 101 transitions, 725 flow. Second operand has 17 states, 17 states have (on average 31.529411764705884) internal successors, (536), 17 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:45,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:45,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:45,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:06:51,840 INFO L124 PetriNetUnfolderBase]: 13285/29345 cut-off events.
[2024-11-08 16:06:51,840 INFO L125 PetriNetUnfolderBase]: For 254401/254401 co-relation queries the response was YES.
[2024-11-08 16:06:52,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106768 conditions, 29345 events. 13285/29345 cut-off events. For 254401/254401 co-relation queries the response was YES. Maximal size of possible extension queue 857. Compared 305533 event pairs, 539 based on Foata normal form. 908/30195 useless extension candidates. Maximal degree in co-relation 106713. Up to 7399 conditions per place.
[2024-11-08 16:06:52,200 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 304 selfloop transitions, 54 changer transitions 0/380 dead transitions.
[2024-11-08 16:06:52,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 380 transitions, 3057 flow
[2024-11-08 16:06:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-11-08 16:06:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2024-11-08 16:06:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 841 transitions.
[2024-11-08 16:06:52,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7556154537286612
[2024-11-08 16:06:52,205 INFO L175 Difference]: Start difference. First operand has 117 places, 101 transitions, 725 flow. Second operand 21 states and 841 transitions.
[2024-11-08 16:06:52,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 380 transitions, 3057 flow
[2024-11-08 16:06:53,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 380 transitions, 3040 flow, removed 3 selfloop flow, removed 3 redundant places.
[2024-11-08 16:06:53,063 INFO L231 Difference]: Finished difference. Result has 139 places, 122 transitions, 1120 flow
[2024-11-08 16:06:53,063 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1120, PETRI_PLACES=139, PETRI_TRANSITIONS=122}
[2024-11-08 16:06:53,064 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 87 predicate places.
[2024-11-08 16:06:53,064 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 122 transitions, 1120 flow
[2024-11-08 16:06:53,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 31.529411764705884) internal successors, (536), 17 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:53,065 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:06:53,065 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:06:53,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-08 16:06:53,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:53,265 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:06:53,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:06:53,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1521931797, now seen corresponding path program 1 times
[2024-11-08 16:06:53,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:06:53,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609316244]
[2024-11-08 16:06:53,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:53,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:06:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:53,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:06:53,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609316244]
[2024-11-08 16:06:53,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609316244] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:06:53,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227862194]
[2024-11-08 16:06:53,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:06:53,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:06:53,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:06:53,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:06:53,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 16:06:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:06:53,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 16:06:53,568 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:06:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:53,811 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:06:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:06:54,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227862194] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:06:54,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:06:54,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19
[2024-11-08 16:06:54,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824531137]
[2024-11-08 16:06:54,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:06:54,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-11-08 16:06:54,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:06:54,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-11-08 16:06:54,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380
[2024-11-08 16:06:54,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53
[2024-11-08 16:06:54,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 122 transitions, 1120 flow. Second operand has 20 states, 20 states have (on average 31.45) internal successors, (629), 20 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:06:54,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:06:54,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53
[2024-11-08 16:06:54,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:07:08,596 INFO L124 PetriNetUnfolderBase]: 25129/56597 cut-off events.
[2024-11-08 16:07:08,596 INFO L125 PetriNetUnfolderBase]: For 909044/909044 co-relation queries the response was YES.
[2024-11-08 16:07:09,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208544 conditions, 56597 events. 25129/56597 cut-off events. For 909044/909044 co-relation queries the response was YES. Maximal size of possible extension queue 1504. Compared 644215 event pairs, 1241 based on Foata normal form. 2988/59581 useless extension candidates. Maximal degree in co-relation 208483. Up to 6607 conditions per place.
[2024-11-08 16:07:09,545 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 521 selfloop transitions, 118 changer transitions 0/661 dead transitions.
[2024-11-08 16:07:09,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 661 transitions, 5775 flow
[2024-11-08 16:07:09,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2024-11-08 16:07:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2024-11-08 16:07:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1492 transitions.
[2024-11-08 16:07:09,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7608363080061193
[2024-11-08 16:07:09,551 INFO L175 Difference]: Start difference. First operand has 139 places, 122 transitions, 1120 flow. Second operand 37 states and 1492 transitions.
[2024-11-08 16:07:09,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 661 transitions, 5775 flow
[2024-11-08 16:07:13,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 661 transitions, 5621 flow, removed 56 selfloop flow, removed 13 redundant places.
[2024-11-08 16:07:13,228 INFO L231 Difference]: Finished difference. Result has 176 places, 180 transitions, 2153 flow
[2024-11-08 16:07:13,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=2153, PETRI_PLACES=176, PETRI_TRANSITIONS=180}
[2024-11-08 16:07:13,229 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 124 predicate places.
[2024-11-08 16:07:13,229 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 180 transitions, 2153 flow
[2024-11-08 16:07:13,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 31.45) internal successors, (629), 20 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:07:13,230 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:07:13,230 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:07:13,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-08 16:07:13,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:07:13,436 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 16:07:13,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:07:13,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1496225031, now seen corresponding path program 2 times
[2024-11-08 16:07:13,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:07:13,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773144725]
[2024-11-08 16:07:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:07:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:07:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:07:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:07:13,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:07:13,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773144725]
[2024-11-08 16:07:13,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773144725] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:07:13,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162992442]
[2024-11-08 16:07:13,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 16:07:13,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:07:13,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:07:13,799 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:07:13,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54cb62fe-2d1a-4de8-9997-b46e755a03d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-08 16:07:13,895 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 16:07:13,896 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 16:07:13,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-08 16:07:13,899 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:07:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:07:14,178 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:07:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:07:14,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162992442] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:07:14,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:07:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15
[2024-11-08 16:07:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88846488]
[2024-11-08 16:07:14,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:07:14,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-08 16:07:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:07:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-08 16:07:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272
[2024-11-08 16:07:14,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 53
[2024-11-08 16:07:14,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 180 transitions, 2153 flow. Second operand has 17 states, 17 states have (on average 31.529411764705884) internal successors, (536), 17 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:07:14,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:07:14,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 53
[2024-11-08 16:07:14,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand