./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC --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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:24:06,729 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:24:06,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 23:24:06,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:24:06,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:24:06,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:24:06,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:24:06,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:24:06,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:24:06,886 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:24:06,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:24:06,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:24:06,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:24:06,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:24:06,889 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:24:06,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:24:06,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:24:06,889 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:24:06,890 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 23:24:06,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:24:06,891 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:24:06,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:24:06,891 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:24:06,891 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:24:06,891 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:24:06,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:24:06,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:24:06,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:24:06,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:24:06,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:24:06,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:24:06,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:24:06,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:24:06,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:24:06,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:24:06,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:24:06,894 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:24:06,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:24:06,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:24:06,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:24:06,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:24:06,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:24:06,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:24:06,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:24:06,895 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC
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 -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472
[2024-11-23 23:24:07,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:24:07,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:24:07,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:24:07,252 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:24:07,253 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:24:07,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i
[2024-11-23 23:24:10,196 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/data/d138c3ec1/f9fc33fbf22147e1ac6d9ee5d66eaa0e/FLAGc696e3cb1
[2024-11-23 23:24:10,694 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:24:10,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i
[2024-11-23 23:24:10,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/data/d138c3ec1/f9fc33fbf22147e1ac6d9ee5d66eaa0e/FLAGc696e3cb1
[2024-11-23 23:24:10,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/data/d138c3ec1/f9fc33fbf22147e1ac6d9ee5d66eaa0e
[2024-11-23 23:24:10,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:24:10,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:24:10,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:24:10,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:24:10,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:24:10,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:24:10" (1/1) ...
[2024-11-23 23:24:10,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fce9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:10, skipping insertion in model container
[2024-11-23 23:24:10,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:24:10" (1/1) ...
[2024-11-23 23:24:10,874 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:24:11,230 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:24:11,246 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:24:11,297 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:24:11,333 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:24:11,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11 WrapperNode
[2024-11-23 23:24:11,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:24:11,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:24:11,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:24:11,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:24:11,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,381 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 126
[2024-11-23 23:24:11,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:24:11,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:24:11,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:24:11,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:24:11,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,427 INFO L175 MemorySlicer]: Split 18 memory accesses to 2 slices as follows [2, 16]. 89 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 3 writes are split as follows [0, 3].
[2024-11-23 23:24:11,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:24:11,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:24:11,447 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:24:11,447 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:24:11,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ...
[2024-11-23 23:24:11,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:24:11,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:24:11,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:24:11,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:24:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 23:24:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 23:24:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure worker
[2024-11-23 23:24:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure worker
[2024-11-23 23:24:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 23:24:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 23:24:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 23:24:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:24:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:24:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 23:24:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 23:24:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:24:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:24:11,537 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 23:24:11,712 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:24:11,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:24:12,023 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:24:12,024 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:24:12,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:24:12,257 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-23 23:24:12,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:24:12 BoogieIcfgContainer
[2024-11-23 23:24:12,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:24:12,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:24:12,260 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:24:12,268 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:24:12,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:24:10" (1/3) ...
[2024-11-23 23:24:12,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4811463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:24:12, skipping insertion in model container
[2024-11-23 23:24:12,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (2/3) ...
[2024-11-23 23:24:12,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4811463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:24:12, skipping insertion in model container
[2024-11-23 23:24:12,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:24:12" (3/3) ...
[2024-11-23 23:24:12,272 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i
[2024-11-23 23:24:12,289 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:24:12,292 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i that has 2 procedures, 36 locations, 1 initial locations, 3 loop locations, and 6 error locations.
[2024-11-23 23:24:12,292 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:24:12,371 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 23:24:12,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 41 transitions, 86 flow
[2024-11-23 23:24:12,475 INFO L124 PetriNetUnfolderBase]: 6/40 cut-off events.
[2024-11-23 23:24:12,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:24:12,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 40 events. 6/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place.
[2024-11-23 23:24:12,485 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 41 transitions, 86 flow
[2024-11-23 23:24:12,488 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 40 transitions, 83 flow
[2024-11-23 23:24:12,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:24:12,523 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;@1bfe3586, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:24:12,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-11-23 23:24:12,543 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:24:12,543 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events.
[2024-11-23 23:24:12,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:24:12,544 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:12,545 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:12,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:12,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:12,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1348055269, now seen corresponding path program 1 times
[2024-11-23 23:24:12,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:12,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174156212]
[2024-11-23 23:24:12,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:12,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:13,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:13,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174156212]
[2024-11-23 23:24:13,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174156212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:13,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:13,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:24:13,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611413610]
[2024-11-23 23:24:13,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:13,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:24:13,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:13,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:24:13,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:24:13,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 23:24:13,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 40 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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)
[2024-11-23 23:24:13,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:13,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 23:24:13,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:13,849 INFO L124 PetriNetUnfolderBase]: 363/738 cut-off events.
[2024-11-23 23:24:13,849 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:24:13,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 738 events. 363/738 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3602 event pairs, 35 based on Foata normal form. 64/658 useless extension candidates. Maximal degree in co-relation 1367. Up to 352 conditions per place.
[2024-11-23 23:24:13,858 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 72 selfloop transitions, 9 changer transitions 0/93 dead transitions.
[2024-11-23 23:24:13,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 93 transitions, 351 flow
[2024-11-23 23:24:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:24:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:24:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 173 transitions.
[2024-11-23 23:24:13,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7032520325203252
[2024-11-23 23:24:13,880 INFO L175 Difference]: Start difference. First operand has 38 places, 40 transitions, 83 flow. Second operand 6 states and 173 transitions.
[2024-11-23 23:24:13,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 93 transitions, 351 flow
[2024-11-23 23:24:13,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 93 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 23:24:13,894 INFO L231 Difference]: Finished difference. Result has 45 places, 47 transitions, 148 flow
[2024-11-23 23:24:13,897 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=148, PETRI_PLACES=45, PETRI_TRANSITIONS=47}
[2024-11-23 23:24:13,904 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places.
[2024-11-23 23:24:13,904 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 47 transitions, 148 flow
[2024-11-23 23:24:13,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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)
[2024-11-23 23:24:13,904 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:13,905 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:13,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:24:13,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:13,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:13,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1598996808, now seen corresponding path program 1 times
[2024-11-23 23:24:13,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:13,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719506233]
[2024-11-23 23:24:13,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:14,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:14,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719506233]
[2024-11-23 23:24:14,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719506233] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:14,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:14,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:24:14,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507967223]
[2024-11-23 23:24:14,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:14,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:24:14,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:14,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:24:14,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:24:14,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41
[2024-11-23 23:24:14,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 47 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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)
[2024-11-23 23:24:14,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:14,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41
[2024-11-23 23:24:14,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:14,596 INFO L124 PetriNetUnfolderBase]: 298/648 cut-off events.
[2024-11-23 23:24:14,596 INFO L125 PetriNetUnfolderBase]: For 135/139 co-relation queries the response was YES.
[2024-11-23 23:24:14,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 648 events. 298/648 cut-off events. For 135/139 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3156 event pairs, 26 based on Foata normal form. 22/593 useless extension candidates. Maximal degree in co-relation 1386. Up to 378 conditions per place.
[2024-11-23 23:24:14,629 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 66 selfloop transitions, 10 changer transitions 0/90 dead transitions.
[2024-11-23 23:24:14,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 90 transitions, 389 flow
[2024-11-23 23:24:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:24:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:24:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions.
[2024-11-23 23:24:14,632 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6707317073170732
[2024-11-23 23:24:14,632 INFO L175 Difference]: Start difference. First operand has 45 places, 47 transitions, 148 flow. Second operand 6 states and 165 transitions.
[2024-11-23 23:24:14,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 90 transitions, 389 flow
[2024-11-23 23:24:14,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 90 transitions, 389 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:24:14,641 INFO L231 Difference]: Finished difference. Result has 53 places, 49 transitions, 192 flow
[2024-11-23 23:24:14,644 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=53, PETRI_TRANSITIONS=49}
[2024-11-23 23:24:14,645 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places.
[2024-11-23 23:24:14,645 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 192 flow
[2024-11-23 23:24:14,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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)
[2024-11-23 23:24:14,645 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:14,646 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:14,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:24:14,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:14,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:14,647 INFO L85 PathProgramCache]: Analyzing trace with hash 876476428, now seen corresponding path program 1 times
[2024-11-23 23:24:14,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:14,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535558668]
[2024-11-23 23:24:14,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:14,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:14,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535558668]
[2024-11-23 23:24:14,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535558668] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:14,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:14,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:24:14,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978533372]
[2024-11-23 23:24:14,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:14,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:24:14,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:14,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:24:14,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:24:14,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 41
[2024-11-23 23:24:14,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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)
[2024-11-23 23:24:14,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:14,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 41
[2024-11-23 23:24:14,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:15,402 INFO L124 PetriNetUnfolderBase]: 467/992 cut-off events.
[2024-11-23 23:24:15,403 INFO L125 PetriNetUnfolderBase]: For 570/585 co-relation queries the response was YES.
[2024-11-23 23:24:15,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2391 conditions, 992 events. 467/992 cut-off events. For 570/585 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5319 event pairs, 95 based on Foata normal form. 32/945 useless extension candidates. Maximal degree in co-relation 2372. Up to 491 conditions per place.
[2024-11-23 23:24:15,416 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 93 selfloop transitions, 20 changer transitions 0/124 dead transitions.
[2024-11-23 23:24:15,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 124 transitions, 745 flow
[2024-11-23 23:24:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:24:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:24:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 155 transitions.
[2024-11-23 23:24:15,421 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6300813008130082
[2024-11-23 23:24:15,421 INFO L175 Difference]: Start difference. First operand has 53 places, 49 transitions, 192 flow. Second operand 6 states and 155 transitions.
[2024-11-23 23:24:15,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 124 transitions, 745 flow
[2024-11-23 23:24:15,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 124 transitions, 719 flow, removed 4 selfloop flow, removed 2 redundant places.
[2024-11-23 23:24:15,435 INFO L231 Difference]: Finished difference. Result has 61 places, 65 transitions, 351 flow
[2024-11-23 23:24:15,435 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=351, PETRI_PLACES=61, PETRI_TRANSITIONS=65}
[2024-11-23 23:24:15,436 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places.
[2024-11-23 23:24:15,437 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 65 transitions, 351 flow
[2024-11-23 23:24:15,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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)
[2024-11-23 23:24:15,438 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:15,438 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:15,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:24:15,439 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:15,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1400965925, now seen corresponding path program 1 times
[2024-11-23 23:24:15,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:15,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241421110]
[2024-11-23 23:24:15,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:15,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:15,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:15,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241421110]
[2024-11-23 23:24:15,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241421110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:15,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:15,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:24:15,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038692986]
[2024-11-23 23:24:15,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:15,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:24:15,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:15,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:24:15,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:24:15,716 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41
[2024-11-23 23:24:15,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 65 transitions, 351 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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)
[2024-11-23 23:24:15,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:15,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41
[2024-11-23 23:24:15,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:16,085 INFO L124 PetriNetUnfolderBase]: 335/756 cut-off events.
[2024-11-23 23:24:16,085 INFO L125 PetriNetUnfolderBase]: For 760/799 co-relation queries the response was YES.
[2024-11-23 23:24:16,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 756 events. 335/756 cut-off events. For 760/799 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3731 event pairs, 111 based on Foata normal form. 35/765 useless extension candidates. Maximal degree in co-relation 2099. Up to 454 conditions per place.
[2024-11-23 23:24:16,094 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 57 selfloop transitions, 11 changer transitions 3/86 dead transitions.
[2024-11-23 23:24:16,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 86 transitions, 555 flow
[2024-11-23 23:24:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:24:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 23:24:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions.
[2024-11-23 23:24:16,097 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6341463414634146
[2024-11-23 23:24:16,097 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 351 flow. Second operand 5 states and 130 transitions.
[2024-11-23 23:24:16,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 86 transitions, 555 flow
[2024-11-23 23:24:16,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 86 transitions, 533 flow, removed 6 selfloop flow, removed 3 redundant places.
[2024-11-23 23:24:16,110 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 365 flow
[2024-11-23 23:24:16,111 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=365, PETRI_PLACES=65, PETRI_TRANSITIONS=64}
[2024-11-23 23:24:16,112 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 27 predicate places.
[2024-11-23 23:24:16,113 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 365 flow
[2024-11-23 23:24:16,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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)
[2024-11-23 23:24:16,114 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:16,114 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:16,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:24:16,115 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:16,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash 962360062, now seen corresponding path program 1 times
[2024-11-23 23:24:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:16,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110222623]
[2024-11-23 23:24:16,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:16,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:16,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110222623]
[2024-11-23 23:24:16,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110222623] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:16,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:16,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:24:16,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261147199]
[2024-11-23 23:24:16,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:16,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:24:16,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:16,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:24:16,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:24:16,239 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 23:24:16,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 365 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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)
[2024-11-23 23:24:16,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:16,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 23:24:16,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:16,590 INFO L124 PetriNetUnfolderBase]: 398/863 cut-off events.
[2024-11-23 23:24:16,590 INFO L125 PetriNetUnfolderBase]: For 1326/1408 co-relation queries the response was YES.
[2024-11-23 23:24:16,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2553 conditions, 863 events. 398/863 cut-off events. For 1326/1408 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4472 event pairs, 35 based on Foata normal form. 80/911 useless extension candidates. Maximal degree in co-relation 2527. Up to 559 conditions per place.
[2024-11-23 23:24:16,601 INFO L140 encePairwiseOnDemand]: 35/41 looper letters, 84 selfloop transitions, 3 changer transitions 1/101 dead transitions.
[2024-11-23 23:24:16,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 101 transitions, 717 flow
[2024-11-23 23:24:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:24:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 23:24:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions.
[2024-11-23 23:24:16,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.676829268292683
[2024-11-23 23:24:16,603 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 365 flow. Second operand 4 states and 111 transitions.
[2024-11-23 23:24:16,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 101 transitions, 717 flow
[2024-11-23 23:24:16,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 101 transitions, 715 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-11-23 23:24:16,611 INFO L231 Difference]: Finished difference. Result has 70 places, 65 transitions, 383 flow
[2024-11-23 23:24:16,612 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=383, PETRI_PLACES=70, PETRI_TRANSITIONS=65}
[2024-11-23 23:24:16,612 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 32 predicate places.
[2024-11-23 23:24:16,613 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 65 transitions, 383 flow
[2024-11-23 23:24:16,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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)
[2024-11-23 23:24:16,613 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:16,613 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:16,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 23:24:16,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:16,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:16,615 INFO L85 PathProgramCache]: Analyzing trace with hash 550543689, now seen corresponding path program 1 times
[2024-11-23 23:24:16,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:16,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414951482]
[2024-11-23 23:24:16,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:17,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:17,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414951482]
[2024-11-23 23:24:17,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414951482] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:17,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:17,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:24:17,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773506445]
[2024-11-23 23:24:17,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:17,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:24:17,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:17,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:24:17,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:24:17,050 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41
[2024-11-23 23:24:17,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 65 transitions, 383 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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)
[2024-11-23 23:24:17,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:17,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41
[2024-11-23 23:24:17,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:17,353 INFO L124 PetriNetUnfolderBase]: 367/867 cut-off events.
[2024-11-23 23:24:17,353 INFO L125 PetriNetUnfolderBase]: For 1184/1202 co-relation queries the response was YES.
[2024-11-23 23:24:17,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2598 conditions, 867 events. 367/867 cut-off events. For 1184/1202 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4663 event pairs, 177 based on Foata normal form. 7/869 useless extension candidates. Maximal degree in co-relation 2569. Up to 609 conditions per place.
[2024-11-23 23:24:17,363 INFO L140 encePairwiseOnDemand]: 35/41 looper letters, 57 selfloop transitions, 7 changer transitions 0/78 dead transitions.
[2024-11-23 23:24:17,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 78 transitions, 572 flow
[2024-11-23 23:24:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:24:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 23:24:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 117 transitions.
[2024-11-23 23:24:17,365 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5707317073170731
[2024-11-23 23:24:17,365 INFO L175 Difference]: Start difference. First operand has 70 places, 65 transitions, 383 flow. Second operand 5 states and 117 transitions.
[2024-11-23 23:24:17,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 78 transitions, 572 flow
[2024-11-23 23:24:17,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 78 transitions, 559 flow, removed 1 selfloop flow, removed 3 redundant places.
[2024-11-23 23:24:17,375 INFO L231 Difference]: Finished difference. Result has 73 places, 66 transitions, 400 flow
[2024-11-23 23:24:17,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=400, PETRI_PLACES=73, PETRI_TRANSITIONS=66}
[2024-11-23 23:24:17,376 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 35 predicate places.
[2024-11-23 23:24:17,376 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 66 transitions, 400 flow
[2024-11-23 23:24:17,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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)
[2024-11-23 23:24:17,377 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:17,377 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:17,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 23:24:17,377 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:17,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1807706259, now seen corresponding path program 2 times
[2024-11-23 23:24:17,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:17,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977061242]
[2024-11-23 23:24:17,379 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:24:17,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:17,399 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 23:24:17,399 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:24:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:17,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:17,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977061242]
[2024-11-23 23:24:17,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977061242] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:17,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:17,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-23 23:24:17,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215302160]
[2024-11-23 23:24:17,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:17,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:24:17,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:17,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:24:17,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:24:17,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41
[2024-11-23 23:24:17,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 400 flow. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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)
[2024-11-23 23:24:17,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:17,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41
[2024-11-23 23:24:17,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:18,370 INFO L124 PetriNetUnfolderBase]: 400/942 cut-off events.
[2024-11-23 23:24:18,371 INFO L125 PetriNetUnfolderBase]: For 1607/1625 co-relation queries the response was YES.
[2024-11-23 23:24:18,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2974 conditions, 942 events. 400/942 cut-off events. For 1607/1625 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5175 event pairs, 182 based on Foata normal form. 13/951 useless extension candidates. Maximal degree in co-relation 2943. Up to 630 conditions per place.
[2024-11-23 23:24:18,382 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 68 selfloop transitions, 20 changer transitions 1/103 dead transitions.
[2024-11-23 23:24:18,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 103 transitions, 819 flow
[2024-11-23 23:24:18,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 23:24:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-23 23:24:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 208 transitions.
[2024-11-23 23:24:18,384 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5073170731707317
[2024-11-23 23:24:18,384 INFO L175 Difference]: Start difference. First operand has 73 places, 66 transitions, 400 flow. Second operand 10 states and 208 transitions.
[2024-11-23 23:24:18,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 103 transitions, 819 flow
[2024-11-23 23:24:18,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 103 transitions, 787 flow, removed 7 selfloop flow, removed 3 redundant places.
[2024-11-23 23:24:18,399 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 578 flow
[2024-11-23 23:24:18,401 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=578, PETRI_PLACES=84, PETRI_TRANSITIONS=79}
[2024-11-23 23:24:18,403 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 46 predicate places.
[2024-11-23 23:24:18,403 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 578 flow
[2024-11-23 23:24:18,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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)
[2024-11-23 23:24:18,404 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:18,404 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:18,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 23:24:18,405 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:18,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash 903761845, now seen corresponding path program 3 times
[2024-11-23 23:24:18,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:18,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385759179]
[2024-11-23 23:24:18,407 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 23:24:18,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:18,436 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-23 23:24:18,437 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:24:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:18,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:18,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385759179]
[2024-11-23 23:24:18,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385759179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:18,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:18,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-23 23:24:18,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682685790]
[2024-11-23 23:24:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:18,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:24:18,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:18,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:24:18,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:24:18,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41
[2024-11-23 23:24:18,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 578 flow. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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)
[2024-11-23 23:24:18,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:18,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41
[2024-11-23 23:24:18,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:19,327 INFO L124 PetriNetUnfolderBase]: 393/935 cut-off events.
[2024-11-23 23:24:19,327 INFO L125 PetriNetUnfolderBase]: For 2076/2093 co-relation queries the response was YES.
[2024-11-23 23:24:19,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3139 conditions, 935 events. 393/935 cut-off events. For 2076/2093 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4825 event pairs, 154 based on Foata normal form. 12/944 useless extension candidates. Maximal degree in co-relation 3103. Up to 605 conditions per place.
[2024-11-23 23:24:19,338 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 71 selfloop transitions, 23 changer transitions 1/109 dead transitions.
[2024-11-23 23:24:19,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 109 transitions, 959 flow
[2024-11-23 23:24:19,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 23:24:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-23 23:24:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 176 transitions.
[2024-11-23 23:24:19,340 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5365853658536586
[2024-11-23 23:24:19,340 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 578 flow. Second operand 8 states and 176 transitions.
[2024-11-23 23:24:19,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 109 transitions, 959 flow
[2024-11-23 23:24:19,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 109 transitions, 913 flow, removed 1 selfloop flow, removed 4 redundant places.
[2024-11-23 23:24:19,357 INFO L231 Difference]: Finished difference. Result has 91 places, 85 transitions, 697 flow
[2024-11-23 23:24:19,359 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=697, PETRI_PLACES=91, PETRI_TRANSITIONS=85}
[2024-11-23 23:24:19,360 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 53 predicate places.
[2024-11-23 23:24:19,363 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 85 transitions, 697 flow
[2024-11-23 23:24:19,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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)
[2024-11-23 23:24:19,364 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:19,364 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:19,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 23:24:19,364 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:19,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:19,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2018134911, now seen corresponding path program 1 times
[2024-11-23 23:24:19,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:19,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458885703]
[2024-11-23 23:24:19,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:19,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:19,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458885703]
[2024-11-23 23:24:19,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458885703] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:24:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420118182]
[2024-11-23 23:24:19,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:19,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:24:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:24:19,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:24:19,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:24:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:19,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 29 conjuncts are in the unsatisfiable core
[2024-11-23 23:24:19,999 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:24:20,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-23 23:24:20,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13
[2024-11-23 23:24:20,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-11-23 23:24:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:20,403 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:24:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:20,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420118182] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:24:20,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:24:20,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 19
[2024-11-23 23:24:20,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188666836]
[2024-11-23 23:24:20,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:24:20,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-11-23 23:24:20,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:20,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-11-23 23:24:20,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420
[2024-11-23 23:24:20,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 41
[2024-11-23 23:24:20,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 85 transitions, 697 flow. Second operand has 21 states, 21 states have (on average 14.380952380952381) internal successors, (302), 21 states have internal predecessors, (302), 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)
[2024-11-23 23:24:20,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:20,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 41
[2024-11-23 23:24:20,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:23,075 INFO L124 PetriNetUnfolderBase]: 1416/2974 cut-off events.
[2024-11-23 23:24:23,076 INFO L125 PetriNetUnfolderBase]: For 5999/6214 co-relation queries the response was YES.
[2024-11-23 23:24:23,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9773 conditions, 2974 events. 1416/2974 cut-off events. For 5999/6214 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 17636 event pairs, 108 based on Foata normal form. 198/3154 useless extension candidates. Maximal degree in co-relation 9733. Up to 576 conditions per place.
[2024-11-23 23:24:23,116 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 348 selfloop transitions, 102 changer transitions 0/465 dead transitions.
[2024-11-23 23:24:23,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 465 transitions, 3915 flow
[2024-11-23 23:24:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-23 23:24:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2024-11-23 23:24:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 543 transitions.
[2024-11-23 23:24:23,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6019955654101996
[2024-11-23 23:24:23,123 INFO L175 Difference]: Start difference. First operand has 91 places, 85 transitions, 697 flow. Second operand 22 states and 543 transitions.
[2024-11-23 23:24:23,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 465 transitions, 3915 flow
[2024-11-23 23:24:23,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 465 transitions, 3776 flow, removed 42 selfloop flow, removed 4 redundant places.
[2024-11-23 23:24:23,159 INFO L231 Difference]: Finished difference. Result has 117 places, 179 transitions, 1724 flow
[2024-11-23 23:24:23,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1724, PETRI_PLACES=117, PETRI_TRANSITIONS=179}
[2024-11-23 23:24:23,161 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 79 predicate places.
[2024-11-23 23:24:23,161 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 179 transitions, 1724 flow
[2024-11-23 23:24:23,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 14.380952380952381) internal successors, (302), 21 states have internal predecessors, (302), 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)
[2024-11-23 23:24:23,162 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:23,162 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:23,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:24:23,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2024-11-23 23:24:23,367 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:23,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:23,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1084870916, now seen corresponding path program 1 times
[2024-11-23 23:24:23,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:23,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651550491]
[2024-11-23 23:24:23,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:23,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:23,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:23,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651550491]
[2024-11-23 23:24:23,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651550491] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:23,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:23,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:24:23,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734562859]
[2024-11-23 23:24:23,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:23,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:24:23,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:23,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:24:23,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:24:23,590 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 23:24:23,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 179 transitions, 1724 flow. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 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)
[2024-11-23 23:24:23,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:23,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 23:24:23,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:25,035 INFO L124 PetriNetUnfolderBase]: 2827/5962 cut-off events.
[2024-11-23 23:24:25,036 INFO L125 PetriNetUnfolderBase]: For 16528/16844 co-relation queries the response was YES.
[2024-11-23 23:24:25,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21810 conditions, 5962 events. 2827/5962 cut-off events. For 16528/16844 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 41327 event pairs, 400 based on Foata normal form. 316/6261 useless extension candidates. Maximal degree in co-relation 21761. Up to 1255 conditions per place.
[2024-11-23 23:24:25,116 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 322 selfloop transitions, 208 changer transitions 0/548 dead transitions.
[2024-11-23 23:24:25,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 548 transitions, 5906 flow
[2024-11-23 23:24:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 23:24:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-23 23:24:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 256 transitions.
[2024-11-23 23:24:25,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.624390243902439
[2024-11-23 23:24:25,120 INFO L175 Difference]: Start difference. First operand has 117 places, 179 transitions, 1724 flow. Second operand 10 states and 256 transitions.
[2024-11-23 23:24:25,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 548 transitions, 5906 flow
[2024-11-23 23:24:25,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 548 transitions, 5221 flow, removed 307 selfloop flow, removed 6 redundant places.
[2024-11-23 23:24:25,245 INFO L231 Difference]: Finished difference. Result has 127 places, 367 transitions, 3991 flow
[2024-11-23 23:24:25,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3991, PETRI_PLACES=127, PETRI_TRANSITIONS=367}
[2024-11-23 23:24:25,248 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 89 predicate places.
[2024-11-23 23:24:25,249 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 367 transitions, 3991 flow
[2024-11-23 23:24:25,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 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)
[2024-11-23 23:24:25,249 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:25,250 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:25,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 23:24:25,250 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:25,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1838437790, now seen corresponding path program 2 times
[2024-11-23 23:24:25,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266540773]
[2024-11-23 23:24:25,251 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:24:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:25,268 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 23:24:25,269 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:24:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:25,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:25,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266540773]
[2024-11-23 23:24:25,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266540773] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:25,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:25,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:24:25,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868365576]
[2024-11-23 23:24:25,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:25,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:24:25,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:25,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:24:25,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:24:25,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 41
[2024-11-23 23:24:25,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 367 transitions, 3991 flow. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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)
[2024-11-23 23:24:25,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:25,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 41
[2024-11-23 23:24:25,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:28,351 INFO L124 PetriNetUnfolderBase]: 4098/8388 cut-off events.
[2024-11-23 23:24:28,351 INFO L125 PetriNetUnfolderBase]: For 36157/36531 co-relation queries the response was YES.
[2024-11-23 23:24:28,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34707 conditions, 8388 events. 4098/8388 cut-off events. For 36157/36531 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 60626 event pairs, 929 based on Foata normal form. 353/8695 useless extension candidates. Maximal degree in co-relation 34654. Up to 4475 conditions per place.
[2024-11-23 23:24:28,465 INFO L140 encePairwiseOnDemand]: 27/41 looper letters, 480 selfloop transitions, 205 changer transitions 1/700 dead transitions.
[2024-11-23 23:24:28,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 700 transitions, 8359 flow
[2024-11-23 23:24:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-23 23:24:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2024-11-23 23:24:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 360 transitions.
[2024-11-23 23:24:28,468 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4878048780487805
[2024-11-23 23:24:28,468 INFO L175 Difference]: Start difference. First operand has 127 places, 367 transitions, 3991 flow. Second operand 18 states and 360 transitions.
[2024-11-23 23:24:28,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 700 transitions, 8359 flow
[2024-11-23 23:24:28,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 700 transitions, 8333 flow, removed 13 selfloop flow, removed 0 redundant places.
[2024-11-23 23:24:28,728 INFO L231 Difference]: Finished difference. Result has 158 places, 527 transitions, 6771 flow
[2024-11-23 23:24:28,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3969, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6771, PETRI_PLACES=158, PETRI_TRANSITIONS=527}
[2024-11-23 23:24:28,730 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 120 predicate places.
[2024-11-23 23:24:28,730 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 527 transitions, 6771 flow
[2024-11-23 23:24:28,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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)
[2024-11-23 23:24:28,731 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:28,731 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:28,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 23:24:28,731 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:28,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:28,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1334890082, now seen corresponding path program 3 times
[2024-11-23 23:24:28,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:28,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688793150]
[2024-11-23 23:24:28,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 23:24:28,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:28,751 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-23 23:24:28,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:24:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:28,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:28,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688793150]
[2024-11-23 23:24:28,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688793150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:28,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:28,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:24:28,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766266459]
[2024-11-23 23:24:28,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:28,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:24:28,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:28,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:24:28,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:24:29,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 41
[2024-11-23 23:24:29,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 527 transitions, 6771 flow. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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)
[2024-11-23 23:24:29,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:29,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 41
[2024-11-23 23:24:29,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:32,273 INFO L124 PetriNetUnfolderBase]: 5010/10336 cut-off events.
[2024-11-23 23:24:32,273 INFO L125 PetriNetUnfolderBase]: For 73379/73874 co-relation queries the response was YES.
[2024-11-23 23:24:32,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48088 conditions, 10336 events. 5010/10336 cut-off events. For 73379/73874 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 78949 event pairs, 1256 based on Foata normal form. 547/10844 useless extension candidates. Maximal degree in co-relation 48019. Up to 5491 conditions per place.
[2024-11-23 23:24:32,409 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 603 selfloop transitions, 248 changer transitions 2/867 dead transitions.
[2024-11-23 23:24:32,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 867 transitions, 12110 flow
[2024-11-23 23:24:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-23 23:24:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2024-11-23 23:24:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 320 transitions.
[2024-11-23 23:24:32,412 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4878048780487805
[2024-11-23 23:24:32,412 INFO L175 Difference]: Start difference. First operand has 158 places, 527 transitions, 6771 flow. Second operand 16 states and 320 transitions.
[2024-11-23 23:24:32,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 867 transitions, 12110 flow
[2024-11-23 23:24:32,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 867 transitions, 11992 flow, removed 56 selfloop flow, removed 1 redundant places.
[2024-11-23 23:24:33,002 INFO L231 Difference]: Finished difference. Result has 180 places, 666 transitions, 9760 flow
[2024-11-23 23:24:33,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6675, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9760, PETRI_PLACES=180, PETRI_TRANSITIONS=666}
[2024-11-23 23:24:33,004 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 142 predicate places.
[2024-11-23 23:24:33,004 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 666 transitions, 9760 flow
[2024-11-23 23:24:33,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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)
[2024-11-23 23:24:33,004 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:33,004 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:33,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 23:24:33,005 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:33,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:33,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1862326791, now seen corresponding path program 1 times
[2024-11-23 23:24:33,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:33,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494979140]
[2024-11-23 23:24:33,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:33,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 23:24:33,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:33,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494979140]
[2024-11-23 23:24:33,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494979140] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:33,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:33,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:24:33,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272317743]
[2024-11-23 23:24:33,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:33,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:24:33,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:33,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:24:33,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:24:33,080 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 23:24:33,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 666 transitions, 9760 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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)
[2024-11-23 23:24:33,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:33,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 23:24:33,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:35,774 INFO L124 PetriNetUnfolderBase]: 4598/9784 cut-off events.
[2024-11-23 23:24:35,774 INFO L125 PetriNetUnfolderBase]: For 82766/83304 co-relation queries the response was YES.
[2024-11-23 23:24:35,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47681 conditions, 9784 events. 4598/9784 cut-off events. For 82766/83304 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 76103 event pairs, 1034 based on Foata normal form. 705/10383 useless extension candidates. Maximal degree in co-relation 47603. Up to 4740 conditions per place.
[2024-11-23 23:24:35,902 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 689 selfloop transitions, 126 changer transitions 0/839 dead transitions.
[2024-11-23 23:24:35,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 839 transitions, 13855 flow
[2024-11-23 23:24:35,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:24:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 23:24:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions.
[2024-11-23 23:24:35,904 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6524390243902439
[2024-11-23 23:24:35,904 INFO L175 Difference]: Start difference. First operand has 180 places, 666 transitions, 9760 flow. Second operand 4 states and 107 transitions.
[2024-11-23 23:24:35,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 839 transitions, 13855 flow
[2024-11-23 23:24:36,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 839 transitions, 13534 flow, removed 128 selfloop flow, removed 7 redundant places.
[2024-11-23 23:24:36,493 INFO L231 Difference]: Finished difference. Result has 178 places, 673 transitions, 10140 flow
[2024-11-23 23:24:36,493 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=9117, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=10140, PETRI_PLACES=178, PETRI_TRANSITIONS=673}
[2024-11-23 23:24:36,494 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 140 predicate places.
[2024-11-23 23:24:36,494 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 673 transitions, 10140 flow
[2024-11-23 23:24:36,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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)
[2024-11-23 23:24:36,494 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:36,494 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:36,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 23:24:36,494 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:36,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:36,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1897555246, now seen corresponding path program 1 times
[2024-11-23 23:24:36,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:36,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116272831]
[2024-11-23 23:24:36,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:36,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:36,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:36,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116272831]
[2024-11-23 23:24:36,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116272831] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:24:36,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366878503]
[2024-11-23 23:24:36,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:36,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:24:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:24:36,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:24:36,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:24:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:36,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 23:24:36,693 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:24:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:36,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:24:36,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366878503] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:36,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:24:36,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-23 23:24:36,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41992098]
[2024-11-23 23:24:36,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:36,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:24:36,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:36,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:24:36,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:24:36,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 23:24:36,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 673 transitions, 10140 flow. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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)
[2024-11-23 23:24:36,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:36,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 23:24:36,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:39,472 INFO L124 PetriNetUnfolderBase]: 4689/9799 cut-off events.
[2024-11-23 23:24:39,472 INFO L125 PetriNetUnfolderBase]: For 89081/89609 co-relation queries the response was YES.
[2024-11-23 23:24:39,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50746 conditions, 9799 events. 4689/9799 cut-off events. For 89081/89609 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 74963 event pairs, 1267 based on Foata normal form. 611/10141 useless extension candidates. Maximal degree in co-relation 50668. Up to 5911 conditions per place.
[2024-11-23 23:24:39,565 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 752 selfloop transitions, 89 changer transitions 28/894 dead transitions.
[2024-11-23 23:24:39,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 894 transitions, 14889 flow
[2024-11-23 23:24:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:24:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:24:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions.
[2024-11-23 23:24:39,567 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6341463414634146
[2024-11-23 23:24:39,567 INFO L175 Difference]: Start difference. First operand has 178 places, 673 transitions, 10140 flow. Second operand 6 states and 156 transitions.
[2024-11-23 23:24:39,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 894 transitions, 14889 flow
[2024-11-23 23:24:39,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 894 transitions, 14867 flow, removed 11 selfloop flow, removed 0 redundant places.
[2024-11-23 23:24:39,924 INFO L231 Difference]: Finished difference. Result has 182 places, 672 transitions, 10292 flow
[2024-11-23 23:24:39,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=10114, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=10292, PETRI_PLACES=182, PETRI_TRANSITIONS=672}
[2024-11-23 23:24:39,925 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 144 predicate places.
[2024-11-23 23:24:39,925 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 672 transitions, 10292 flow
[2024-11-23 23:24:39,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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)
[2024-11-23 23:24:39,926 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:39,926 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:39,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 23:24:40,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:24:40,126 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:40,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:40,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1305329909, now seen corresponding path program 1 times
[2024-11-23 23:24:40,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:40,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795791151]
[2024-11-23 23:24:40,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:40,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:40,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:40,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795791151]
[2024-11-23 23:24:40,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795791151] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:24:40,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840198372]
[2024-11-23 23:24:40,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:40,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:24:40,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:24:40,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:24:40,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 23:24:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:40,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 23:24:40,301 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:24:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:40,350 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:24:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:40,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840198372] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:24:40,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:24:40,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-23 23:24:40,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540998871]
[2024-11-23 23:24:40,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:24:40,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-23 23:24:40,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:40,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-23 23:24:40,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-23 23:24:40,439 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 23:24:40,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 672 transitions, 10292 flow. Second operand has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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)
[2024-11-23 23:24:40,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:40,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 23:24:40,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:24:49,791 INFO L124 PetriNetUnfolderBase]: 14575/29769 cut-off events.
[2024-11-23 23:24:49,791 INFO L125 PetriNetUnfolderBase]: For 273950/275590 co-relation queries the response was YES.
[2024-11-23 23:24:50,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156232 conditions, 29769 events. 14575/29769 cut-off events. For 273950/275590 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 261393 event pairs, 2989 based on Foata normal form. 1767/31371 useless extension candidates. Maximal degree in co-relation 156153. Up to 8358 conditions per place.
[2024-11-23 23:24:50,129 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 2028 selfloop transitions, 216 changer transitions 0/2269 dead transitions.
[2024-11-23 23:24:50,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 2269 transitions, 38441 flow
[2024-11-23 23:24:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 23:24:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-23 23:24:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 284 transitions.
[2024-11-23 23:24:50,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6926829268292682
[2024-11-23 23:24:50,131 INFO L175 Difference]: Start difference. First operand has 182 places, 672 transitions, 10292 flow. Second operand 10 states and 284 transitions.
[2024-11-23 23:24:50,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 2269 transitions, 38441 flow
[2024-11-23 23:24:51,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 2269 transitions, 38374 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-23 23:24:51,694 INFO L231 Difference]: Finished difference. Result has 190 places, 869 transitions, 13749 flow
[2024-11-23 23:24:51,695 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=10234, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13749, PETRI_PLACES=190, PETRI_TRANSITIONS=869}
[2024-11-23 23:24:51,695 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 152 predicate places.
[2024-11-23 23:24:51,696 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 869 transitions, 13749 flow
[2024-11-23 23:24:51,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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)
[2024-11-23 23:24:51,696 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:24:51,696 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:24:51,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-23 23:24:51,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b007c23-9764-409b-948f-eb75d4b81986/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-23 23:24:51,896 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:24:51,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:24:51,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1495972510, now seen corresponding path program 1 times
[2024-11-23 23:24:51,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:24:51,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677404481]
[2024-11-23 23:24:51,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:24:51,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:24:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:24:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:24:52,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:24:52,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677404481]
[2024-11-23 23:24:52,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677404481] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:24:52,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:24:52,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-23 23:24:52,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266390040]
[2024-11-23 23:24:52,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:24:52,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-23 23:24:52,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:24:52,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-23 23:24:52,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182
[2024-11-23 23:24:52,591 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 41
[2024-11-23 23:24:52,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 869 transitions, 13749 flow. Second operand has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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)
[2024-11-23 23:24:52,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:24:52,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 41
[2024-11-23 23:24:52,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:25:09,032 INFO L124 PetriNetUnfolderBase]: 22479/45422 cut-off events.
[2024-11-23 23:25:09,032 INFO L125 PetriNetUnfolderBase]: For 497740/499062 co-relation queries the response was YES.
[2024-11-23 23:25:09,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246147 conditions, 45422 events. 22479/45422 cut-off events. For 497740/499062 co-relation queries the response was YES. Maximal size of possible extension queue 880. Compared 423762 event pairs, 6526 based on Foata normal form. 1791/47002 useless extension candidates. Maximal degree in co-relation 246066. Up to 28188 conditions per place.
[2024-11-23 23:25:09,962 INFO L140 encePairwiseOnDemand]: 26/41 looper letters, 1050 selfloop transitions, 395 changer transitions 1/1459 dead transitions.
[2024-11-23 23:25:09,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 1459 transitions, 24795 flow
[2024-11-23 23:25:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2024-11-23 23:25:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states.
[2024-11-23 23:25:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 495 transitions.
[2024-11-23 23:25:09,966 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4643527204502814
[2024-11-23 23:25:09,966 INFO L175 Difference]: Start difference. First operand has 190 places, 869 transitions, 13749 flow. Second operand 26 states and 495 transitions.
[2024-11-23 23:25:09,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 1459 transitions, 24795 flow
[2024-11-23 23:25:14,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 1459 transitions, 24713 flow, removed 6 selfloop flow, removed 4 redundant places.
[2024-11-23 23:25:14,944 INFO L231 Difference]: Finished difference. Result has 225 places, 1207 transitions, 21086 flow
[2024-11-23 23:25:14,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=13658, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=21086, PETRI_PLACES=225, PETRI_TRANSITIONS=1207}
[2024-11-23 23:25:14,946 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 187 predicate places.
[2024-11-23 23:25:14,946 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 1207 transitions, 21086 flow
[2024-11-23 23:25:14,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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)
[2024-11-23 23:25:14,946 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:25:14,946 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:25:14,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-23 23:25:14,946 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-23 23:25:14,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:25:14,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1032682458, now seen corresponding path program 2 times
[2024-11-23 23:25:14,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:25:14,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668981307]
[2024-11-23 23:25:14,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:25:14,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:25:14,963 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 23:25:14,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:25:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:25:15,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:25:15,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668981307]
[2024-11-23 23:25:15,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668981307] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:25:15,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:25:15,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-23 23:25:15,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534164328]
[2024-11-23 23:25:15,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:25:15,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-23 23:25:15,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:25:15,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-23 23:25:15,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2024-11-23 23:25:15,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 41
[2024-11-23 23:25:15,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 1207 transitions, 21086 flow. Second operand has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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)
[2024-11-23 23:25:15,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:25:15,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 41
[2024-11-23 23:25:15,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand