./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_rmo.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_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/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_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/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_a0bc5e4b-c714-4de0-8e31-6e2d61397971/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 85e3ce8f111292d815206f012225ed7eff4e108dc07a389f6fa2d1590522afb0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:20:07,379 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:20:07,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-24 00:20:07,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:20:07,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:20:07,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:20:07,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:20:07,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:20:07,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:20:07,506 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:20:07,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:20:07,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:20:07,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:20:07,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:20:07,509 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:20:07,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 00:20:07,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:20:07,511 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:20:07,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:20:07,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:20:07,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:20:07,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:20:07,513 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_a0bc5e4b-c714-4de0-8e31-6e2d61397971/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 -> 85e3ce8f111292d815206f012225ed7eff4e108dc07a389f6fa2d1590522afb0
[2024-11-24 00:20:07,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:20:07,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:20:07,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:20:07,826 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:20:07,826 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:20:07,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i
[2024-11-24 00:20:11,052 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/data/2ddfbb4ee/1523dfe8a619465488c09b68353f4ead/FLAG40208ba46
[2024-11-24 00:20:11,381 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:20:11,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/sv-benchmarks/c/pthread-wmm/safe027_rmo.i
[2024-11-24 00:20:11,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/data/2ddfbb4ee/1523dfe8a619465488c09b68353f4ead/FLAG40208ba46
[2024-11-24 00:20:11,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/data/2ddfbb4ee/1523dfe8a619465488c09b68353f4ead
[2024-11-24 00:20:11,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:20:11,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:20:11,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:20:11,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:20:11,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:20:11,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:11" (1/1) ...
[2024-11-24 00:20:11,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424d5d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:11, skipping insertion in model container
[2024-11-24 00:20:11,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:11" (1/1) ...
[2024-11-24 00:20:11,481 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:20:11,916 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:20:11,930 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:20:12,009 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:20:12,062 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:20:12,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12 WrapperNode
[2024-11-24 00:20:12,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:20:12,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:20:12,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:20:12,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:20:12,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,116 INFO L138 Inliner]: procedures = 176, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139
[2024-11-24 00:20:12,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:20:12,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:20:12,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:20:12,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:20:12,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,160 INFO L175 MemorySlicer]: Split 21 memory accesses to 2 slices as follows [2, 19]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 7 writes are split as follows [0, 7].
[2024-11-24 00:20:12,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:20:12,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:20:12,206 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:20:12,207 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:20:12,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (1/1) ...
[2024-11-24 00:20:12,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:20:12,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:20:12,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:20:12,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:20:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-24 00:20:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-24 00:20:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-24 00:20:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-24 00:20:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 00:20:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:20:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-24 00:20:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-24 00:20:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-24 00:20:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-24 00:20:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-24 00:20:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-24 00:20:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-11-24 00:20:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-11-24 00:20:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:20:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 00:20:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 00:20:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:20:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:20:12,298 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 00:20:12,498 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:20:12,500 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:20:13,089 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:20:13,090 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:20:13,589 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:20:13,589 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 00:20:13,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:13 BoogieIcfgContainer
[2024-11-24 00:20:13,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:20:13,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:20:13,594 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:20:13,600 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:20:13,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:20:11" (1/3) ...
[2024-11-24 00:20:13,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d16c236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:13, skipping insertion in model container
[2024-11-24 00:20:13,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:12" (2/3) ...
[2024-11-24 00:20:13,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d16c236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:13, skipping insertion in model container
[2024-11-24 00:20:13,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:13" (3/3) ...
[2024-11-24 00:20:13,603 INFO L128 eAbstractionObserver]: Analyzing ICFG safe027_rmo.i
[2024-11-24 00:20:13,621 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:20:13,624 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe027_rmo.i that has 5 procedures, 49 locations, 1 initial locations, 0 loop locations, and 8 error locations.
[2024-11-24 00:20:13,624 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:20:13,729 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 00:20:13,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 112 flow
[2024-11-24 00:20:13,830 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events.
[2024-11-24 00:20:13,834 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:20:13,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 120 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-24 00:20:13,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 48 transitions, 112 flow
[2024-11-24 00:20:13,842 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 44 transitions, 100 flow
[2024-11-24 00:20:13,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:20:13,886 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;@3c12fb3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:20:13,888 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-11-24 00:20:13,901 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:20:13,902 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-24 00:20:13,902 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:20:13,902 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:20:13,903 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:20:13,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-24 00:20:13,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:20:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash -67355125, now seen corresponding path program 1 times
[2024-11-24 00:20:13,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:20:13,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702528696]
[2024-11-24 00:20:13,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:20:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:20:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:20:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:20:14,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:20:14,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702528696]
[2024-11-24 00:20:14,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702528696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:20:14,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:20:14,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 00:20:14,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723965686]
[2024-11-24 00:20:14,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:20:14,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:20:14,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:20:14,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:20:14,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:20:14,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2024-11-24 00:20:14,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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)
[2024-11-24 00:20:14,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:20:14,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2024-11-24 00:20:14,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:20:19,044 INFO L124 PetriNetUnfolderBase]: 19313/25853 cut-off events.
[2024-11-24 00:20:19,045 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES.
[2024-11-24 00:20:19,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52007 conditions, 25853 events. 19313/25853 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 2039. Compared 168374 event pairs, 8821 based on Foata normal form. 0/18352 useless extension candidates. Maximal degree in co-relation 51995. Up to 25617 conditions per place.
[2024-11-24 00:20:19,290 INFO L140 encePairwiseOnDemand]: 35/48 looper letters, 47 selfloop transitions, 5 changer transitions 0/63 dead transitions.
[2024-11-24 00:20:19,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 251 flow
[2024-11-24 00:20:19,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:20:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:20:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions.
[2024-11-24 00:20:19,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666
[2024-11-24 00:20:19,313 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 100 flow. Second operand 3 states and 105 transitions.
[2024-11-24 00:20:19,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 251 flow
[2024-11-24 00:20:19,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 63 transitions, 244 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-24 00:20:19,327 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 143 flow
[2024-11-24 00:20:19,330 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=143, PETRI_PLACES=56, PETRI_TRANSITIONS=48}
[2024-11-24 00:20:19,335 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places.
[2024-11-24 00:20:19,335 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 143 flow
[2024-11-24 00:20:19,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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)
[2024-11-24 00:20:19,336 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:20:19,336 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:20:19,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:20:19,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-24 00:20:19,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:20:19,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2018209286, now seen corresponding path program 1 times
[2024-11-24 00:20:19,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:20:19,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346933495]
[2024-11-24 00:20:19,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:20:19,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:20:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:20:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:20:19,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:20:19,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346933495]
[2024-11-24 00:20:19,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346933495] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:20:19,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:20:19,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:20:19,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690216212]
[2024-11-24 00:20:19,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:20:19,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:20:19,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:20:19,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:20:19,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:20:19,596 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2024-11-24 00:20:19,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 143 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)
[2024-11-24 00:20:19,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:20:19,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2024-11-24 00:20:19,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:20:21,764 INFO L124 PetriNetUnfolderBase]: 9919/13399 cut-off events.
[2024-11-24 00:20:21,765 INFO L125 PetriNetUnfolderBase]: For 1084/1084 co-relation queries the response was YES.
[2024-11-24 00:20:21,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32222 conditions, 13399 events. 9919/13399 cut-off events. For 1084/1084 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 81134 event pairs, 3871 based on Foata normal form. 0/10962 useless extension candidates. Maximal degree in co-relation 32211. Up to 13162 conditions per place.
[2024-11-24 00:20:21,860 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 43 selfloop transitions, 5 changer transitions 0/59 dead transitions.
[2024-11-24 00:20:21,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 59 transitions, 259 flow
[2024-11-24 00:20:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:20:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 00:20:21,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions.
[2024-11-24 00:20:21,865 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334
[2024-11-24 00:20:21,865 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 143 flow. Second operand 4 states and 112 transitions.
[2024-11-24 00:20:21,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 59 transitions, 259 flow
[2024-11-24 00:20:21,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 59 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:20:21,869 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 132 flow
[2024-11-24 00:20:21,869 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=54, PETRI_TRANSITIONS=44}
[2024-11-24 00:20:21,870 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places.
[2024-11-24 00:20:21,871 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 132 flow
[2024-11-24 00:20:21,871 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)
[2024-11-24 00:20:21,872 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:20:21,872 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:20:21,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:20:21,873 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-24 00:20:21,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:20:21,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2018209287, now seen corresponding path program 1 times
[2024-11-24 00:20:21,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:20:21,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776951080]
[2024-11-24 00:20:21,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:20:21,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:20:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:20:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:20:22,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:20:22,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776951080]
[2024-11-24 00:20:22,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776951080] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:20:22,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:20:22,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:20:22,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335951342]
[2024-11-24 00:20:22,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:20:22,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:20:22,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:20:22,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:20:22,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:20:22,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2024-11-24 00:20:22,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 132 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)
[2024-11-24 00:20:22,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:20:22,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2024-11-24 00:20:22,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:20:23,786 INFO L124 PetriNetUnfolderBase]: 6817/9349 cut-off events.
[2024-11-24 00:20:23,786 INFO L125 PetriNetUnfolderBase]: For 1272/1272 co-relation queries the response was YES.
[2024-11-24 00:20:23,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21975 conditions, 9349 events. 6817/9349 cut-off events. For 1272/1272 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 53465 event pairs, 1269 based on Foata normal form. 0/8256 useless extension candidates. Maximal degree in co-relation 21963. Up to 7917 conditions per place.
[2024-11-24 00:20:23,850 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 60 selfloop transitions, 9 changer transitions 0/80 dead transitions.
[2024-11-24 00:20:23,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 80 transitions, 360 flow
[2024-11-24 00:20:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:20:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 00:20:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 133 transitions.
[2024-11-24 00:20:23,852 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6927083333333334
[2024-11-24 00:20:23,852 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 132 flow. Second operand 4 states and 133 transitions.
[2024-11-24 00:20:23,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 80 transitions, 360 flow
[2024-11-24 00:20:23,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 80 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:20:23,855 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 184 flow
[2024-11-24 00:20:23,856 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=56, PETRI_TRANSITIONS=48}
[2024-11-24 00:20:23,856 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places.
[2024-11-24 00:20:23,857 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 184 flow
[2024-11-24 00:20:23,857 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)
[2024-11-24 00:20:23,857 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:20:23,857 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:20:23,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:20:23,858 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-24 00:20:23,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:20:23,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1955893638, now seen corresponding path program 1 times
[2024-11-24 00:20:23,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:20:23,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543008946]
[2024-11-24 00:20:23,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:20:23,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:20:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:20:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:20:24,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:20:24,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543008946]
[2024-11-24 00:20:24,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543008946] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:20:24,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:20:24,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:20:24,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005492147]
[2024-11-24 00:20:24,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:20:24,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:20:24,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:20:24,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:20:24,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:20:24,183 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2024-11-24 00:20:24,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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)
[2024-11-24 00:20:24,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:20:24,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2024-11-24 00:20:24,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:20:25,381 INFO L124 PetriNetUnfolderBase]: 4729/6517 cut-off events.
[2024-11-24 00:20:25,381 INFO L125 PetriNetUnfolderBase]: For 3204/3204 co-relation queries the response was YES.
[2024-11-24 00:20:25,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17488 conditions, 6517 events. 4729/6517 cut-off events. For 3204/3204 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 35243 event pairs, 265 based on Foata normal form. 0/6312 useless extension candidates. Maximal degree in co-relation 17475. Up to 2833 conditions per place.
[2024-11-24 00:20:25,420 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 71 selfloop transitions, 13 changer transitions 4/99 dead transitions.
[2024-11-24 00:20:25,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 99 transitions, 490 flow
[2024-11-24 00:20:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:20:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:20:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions.
[2024-11-24 00:20:25,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6958333333333333
[2024-11-24 00:20:25,426 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 184 flow. Second operand 5 states and 167 transitions.
[2024-11-24 00:20:25,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 99 transitions, 490 flow
[2024-11-24 00:20:25,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 99 transitions, 472 flow, removed 4 selfloop flow, removed 2 redundant places.
[2024-11-24 00:20:25,431 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 208 flow
[2024-11-24 00:20:25,431 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=59, PETRI_TRANSITIONS=48}
[2024-11-24 00:20:25,434 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places.
[2024-11-24 00:20:25,434 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 208 flow
[2024-11-24 00:20:25,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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)
[2024-11-24 00:20:25,435 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:20:25,435 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:20:25,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 00:20:25,437 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-24 00:20:25,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:20:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1092628277, now seen corresponding path program 1 times
[2024-11-24 00:20:25,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:20:25,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153359312]
[2024-11-24 00:20:25,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:20:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:20:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:20:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:20:25,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:20:25,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153359312]
[2024-11-24 00:20:25,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153359312] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:20:25,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:20:25,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:20:25,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599371376]
[2024-11-24 00:20:25,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:20:25,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:20:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:20:25,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:20:25,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:20:25,693 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2024-11-24 00:20:25,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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)
[2024-11-24 00:20:25,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:20:25,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2024-11-24 00:20:25,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:20:26,810 INFO L124 PetriNetUnfolderBase]: 3913/5413 cut-off events.
[2024-11-24 00:20:26,810 INFO L125 PetriNetUnfolderBase]: For 5892/5892 co-relation queries the response was YES.
[2024-11-24 00:20:26,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15305 conditions, 5413 events. 3913/5413 cut-off events. For 5892/5892 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 29663 event pairs, 121 based on Foata normal form. 192/5592 useless extension candidates. Maximal degree in co-relation 15291. Up to 2252 conditions per place.
[2024-11-24 00:20:26,834 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions.
[2024-11-24 00:20:26,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 91 transitions, 442 flow
[2024-11-24 00:20:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:20:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:20:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 174 transitions.
[2024-11-24 00:20:26,836 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6041666666666666
[2024-11-24 00:20:26,839 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 208 flow. Second operand 6 states and 174 transitions.
[2024-11-24 00:20:26,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 91 transitions, 442 flow
[2024-11-24 00:20:26,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 91 transitions, 387 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-24 00:20:26,903 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow
[2024-11-24 00:20:26,904 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0}
[2024-11-24 00:20:26,905 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places.
[2024-11-24 00:20:26,907 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow
[2024-11-24 00:20:26,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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)
[2024-11-24 00:20:26,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2024-11-24 00:20:26,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2024-11-24 00:20:26,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2024-11-24 00:20:26,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2024-11-24 00:20:26,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2024-11-24 00:20:26,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2024-11-24 00:20:26,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2024-11-24 00:20:26,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2024-11-24 00:20:26,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 00:20:26,919 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-24 00:20:26,927 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:20:26,927 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:20:26,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:20:26 BasicIcfg
[2024-11-24 00:20:26,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:20:26,937 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:20:26,937 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:20:26,937 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:20:26,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:13" (3/4) ...
[2024-11-24 00:20:26,940 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 00:20:26,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-24 00:20:26,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-24 00:20:26,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-24 00:20:26,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2024-11-24 00:20:26,951 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges
[2024-11-24 00:20:26,951 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-24 00:20:26,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-24 00:20:26,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 00:20:27,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:20:27,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:20:27,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:20:27,062 INFO L158 Benchmark]: Toolchain (without parser) took 15645.41ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 115.8MB in the beginning and 521.2MB in the end (delta: -405.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB.
[2024-11-24 00:20:27,063 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:20:27,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.08ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 91.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 00:20:27,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.75ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:20:27,065 INFO L158 Benchmark]: Boogie Preprocessor took 88.55ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 85.5MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:20:27,065 INFO L158 Benchmark]: RCFGBuilder took 1385.92ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 67.6MB in the end (delta: 17.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
[2024-11-24 00:20:27,066 INFO L158 Benchmark]: TraceAbstraction took 13340.97ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 66.9MB in the beginning and 529.6MB in the end (delta: -462.7MB). Peak memory consumption was 990.2MB. Max. memory is 16.1GB.
[2024-11-24 00:20:27,067 INFO L158 Benchmark]: Witness Printer took 124.67ms. Allocated memory is still 1.6GB. Free memory was 529.6MB in the beginning and 521.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:20:27,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.78ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 645.08ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 91.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 52.75ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 88.55ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 85.5MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 1385.92ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 67.6MB in the end (delta: 17.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 13340.97ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 66.9MB in the beginning and 529.6MB in the end (delta: -462.7MB). Peak memory consumption was 990.2MB. Max. memory is 16.1GB.
* Witness Printer took 124.67ms. Allocated memory is still 1.6GB. Free memory was 529.6MB in the beginning and 521.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 791]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 791]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 803]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 803]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 831]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 831]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 848]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 848]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 87 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 241 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 452 IncrementalHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 2 mSDtfsCounter, 452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 00:20:27,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc5e4b-c714-4de0-8e31-6e2d61397971/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE