./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.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_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/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_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/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_04ef6e12-1276-4fbd-b3dc-429f69732b0d/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 fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:12:08,777 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:12:08,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-24 00:12:08,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:12:08,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:12:08,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:12:08,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:12:08,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:12:08,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:12:08,917 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:12:08,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:12:08,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:12:08,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:12:08,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:12:08,920 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:12:08,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:12:08,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:12:08,922 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:12:08,923 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:12:08,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:12:08,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:12:08,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:12:08,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:12:08,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:12:08,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:12:08,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:12:08,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:12:08,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:12:08,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:12:08,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:12:08,926 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:12:08,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:12:08,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:12:08,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:12:08,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:12:08,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:12:08,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:12:08,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:12:08,927 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_04ef6e12-1276-4fbd-b3dc-429f69732b0d/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 -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8
[2024-11-24 00:12:09,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:12:09,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:12:09,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:12:09,283 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:12:09,284 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:12:09,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i
[2024-11-24 00:12:12,354 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/data/c28bfa97c/4d0b584b58b04a7eb2621ff1c989011c/FLAGa1e5eee9e
[2024-11-24 00:12:12,729 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:12:12,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i
[2024-11-24 00:12:12,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/data/c28bfa97c/4d0b584b58b04a7eb2621ff1c989011c/FLAGa1e5eee9e
[2024-11-24 00:12:12,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/data/c28bfa97c/4d0b584b58b04a7eb2621ff1c989011c
[2024-11-24 00:12:12,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:12:12,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:12:12,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:12:12,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:12:12,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:12:12,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:12:12" (1/1) ...
[2024-11-24 00:12:12,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4c3af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12, skipping insertion in model container
[2024-11-24 00:12:12,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:12:12" (1/1) ...
[2024-11-24 00:12:12,814 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:12:13,205 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:12:13,216 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:12:13,276 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:12:13,328 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:12:13,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13 WrapperNode
[2024-11-24 00:12:13,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:12:13,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:12:13,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:12:13,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:12:13,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,370 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60
[2024-11-24 00:12:13,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:12:13,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:12:13,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:12:13,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:12:13,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,400 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:12:13,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,409 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:12:13,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:12:13,428 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:12:13,428 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:12:13,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (1/1) ...
[2024-11-24 00:12:13,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:12:13,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:12:13,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:12:13,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 00:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-24 00:12:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-24 00:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-24 00:12:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-24 00:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-24 00:12:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-24 00:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 00:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:12:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:12:13,519 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 00:12:13,705 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:12:13,707 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:12:13,947 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:12:13,947 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:12:14,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:12:14,109 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 00:12:14,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:12:14 BoogieIcfgContainer
[2024-11-24 00:12:14,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:12:14,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:12:14,112 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:12:14,118 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:12:14,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:12:12" (1/3) ...
[2024-11-24 00:12:14,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c37fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:12:14, skipping insertion in model container
[2024-11-24 00:12:14,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:13" (2/3) ...
[2024-11-24 00:12:14,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c37fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:12:14, skipping insertion in model container
[2024-11-24 00:12:14,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:12:14" (3/3) ...
[2024-11-24 00:12:14,121 INFO L128 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i
[2024-11-24 00:12:14,143 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:12:14,145 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 6 error locations.
[2024-11-24 00:12:14,145 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:12:14,213 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 00:12:14,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow
[2024-11-24 00:12:14,343 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events.
[2024-11-24 00:12:14,345 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:12:14,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-24 00:12:14,352 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow
[2024-11-24 00:12:14,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 39 transitions, 87 flow
[2024-11-24 00:12:14,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:12:14,390 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;@3eca6129, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:12:14,390 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-24 00:12:14,399 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:12:14,399 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events.
[2024-11-24 00:12:14,399 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:12:14,400 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:12:14,400 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:12:14,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-24 00:12:14,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:12:14,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1980548937, now seen corresponding path program 1 times
[2024-11-24 00:12:14,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:12:14,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974372435]
[2024-11-24 00:12:14,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:12:14,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:12:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:12:14,688 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 00:12:14,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:12:14,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974372435]
[2024-11-24 00:12:14,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974372435] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:12:14,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:12:14,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 00:12:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996453534]
[2024-11-24 00:12:14,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:12:14,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:12:14,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:12:14,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:12:14,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:12:14,743 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42
[2024-11-24 00:12:14,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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)
[2024-11-24 00:12:14,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:12:14,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42
[2024-11-24 00:12:14,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:12:15,150 INFO L124 PetriNetUnfolderBase]: 842/1297 cut-off events.
[2024-11-24 00:12:15,152 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-11-24 00:12:15,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 1297 events. 842/1297 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 7423 event pairs, 420 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 2612. Up to 1271 conditions per place.
[2024-11-24 00:12:15,169 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 27 selfloop transitions, 4 changer transitions 0/49 dead transitions.
[2024-11-24 00:12:15,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 49 transitions, 175 flow
[2024-11-24 00:12:15,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:12:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:12:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions.
[2024-11-24 00:12:15,184 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7936507936507936
[2024-11-24 00:12:15,186 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 87 flow. Second operand 3 states and 100 transitions.
[2024-11-24 00:12:15,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 49 transitions, 175 flow
[2024-11-24 00:12:15,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 49 transitions, 170 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 00:12:15,195 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 120 flow
[2024-11-24 00:12:15,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=49, PETRI_TRANSITIONS=42}
[2024-11-24 00:12:15,202 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places.
[2024-11-24 00:12:15,202 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 120 flow
[2024-11-24 00:12:15,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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)
[2024-11-24 00:12:15,203 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:12:15,203 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:12:15,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:12:15,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-24 00:12:15,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:12:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2125227251, now seen corresponding path program 1 times
[2024-11-24 00:12:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:12:15,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221386349]
[2024-11-24 00:12:15,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:12:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:12:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:12:15,368 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 00:12:15,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:12:15,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221386349]
[2024-11-24 00:12:15,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221386349] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:12:15,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:12:15,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:12:15,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468657127]
[2024-11-24 00:12:15,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:12:15,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:12:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:12:15,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:12:15,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:12:15,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42
[2024-11-24 00:12:15,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 00:12:15,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:12:15,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42
[2024-11-24 00:12:15,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:12:15,601 INFO L124 PetriNetUnfolderBase]: 476/755 cut-off events.
[2024-11-24 00:12:15,601 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES.
[2024-11-24 00:12:15,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1871 conditions, 755 events. 476/755 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3900 event pairs, 212 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 1860. Up to 728 conditions per place.
[2024-11-24 00:12:15,613 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 24 selfloop transitions, 4 changer transitions 0/46 dead transitions.
[2024-11-24 00:12:15,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 182 flow
[2024-11-24 00:12:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:12:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 00:12:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions.
[2024-11-24 00:12:15,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6845238095238095
[2024-11-24 00:12:15,616 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 120 flow. Second operand 4 states and 115 transitions.
[2024-11-24 00:12:15,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 182 flow
[2024-11-24 00:12:15,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 46 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:12:15,618 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 112 flow
[2024-11-24 00:12:15,619 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=48, PETRI_TRANSITIONS=39}
[2024-11-24 00:12:15,620 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places.
[2024-11-24 00:12:15,621 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 112 flow
[2024-11-24 00:12:15,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 00:12:15,621 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:12:15,621 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:12:15,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:12:15,622 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-24 00:12:15,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:12:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2125227252, now seen corresponding path program 1 times
[2024-11-24 00:12:15,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:12:15,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287826971]
[2024-11-24 00:12:15,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:12:15,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:12:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:12:15,792 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 00:12:15,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:12:15,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287826971]
[2024-11-24 00:12:15,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287826971] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:12:15,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:12:15,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:12:15,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627879002]
[2024-11-24 00:12:15,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:12:15,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:12:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:12:15,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:12:15,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:12:15,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42
[2024-11-24 00:12:15,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 00:12:15,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:12:15,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42
[2024-11-24 00:12:15,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:12:15,985 INFO L124 PetriNetUnfolderBase]: 302/501 cut-off events.
[2024-11-24 00:12:15,985 INFO L125 PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES.
[2024-11-24 00:12:15,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1204 conditions, 501 events. 302/501 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2258 event pairs, 40 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 1192. Up to 409 conditions per place.
[2024-11-24 00:12:15,989 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 29 selfloop transitions, 7 changer transitions 3/57 dead transitions.
[2024-11-24 00:12:15,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 238 flow
[2024-11-24 00:12:15,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:12:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 00:12:15,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions.
[2024-11-24 00:12:15,992 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.75
[2024-11-24 00:12:15,996 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 112 flow. Second operand 4 states and 126 transitions.
[2024-11-24 00:12:15,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 238 flow
[2024-11-24 00:12:15,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 233 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:12:15,999 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 133 flow
[2024-11-24 00:12:15,999 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=39}
[2024-11-24 00:12:16,000 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places.
[2024-11-24 00:12:16,000 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 133 flow
[2024-11-24 00:12:16,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 00:12:16,000 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:12:16,000 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]
[2024-11-24 00:12:16,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:12:16,001 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-24 00:12:16,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:12:16,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1213122705, now seen corresponding path program 1 times
[2024-11-24 00:12:16,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:12:16,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39285731]
[2024-11-24 00:12:16,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:12:16,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:12:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:12:16,183 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 00:12:16,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:12:16,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39285731]
[2024-11-24 00:12:16,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39285731] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:12:16,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:12:16,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:12:16,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839163755]
[2024-11-24 00:12:16,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:12:16,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:12:16,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:12:16,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:12:16,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:12:16,195 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42
[2024-11-24 00:12:16,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:12:16,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:12:16,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42
[2024-11-24 00:12:16,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:12:16,323 INFO L124 PetriNetUnfolderBase]: 130/249 cut-off events.
[2024-11-24 00:12:16,324 INFO L125 PetriNetUnfolderBase]: For 264/264 co-relation queries the response was YES.
[2024-11-24 00:12:16,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 249 events. 130/249 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1077 event pairs, 0 based on Foata normal form. 48/287 useless extension candidates. Maximal degree in co-relation 722. Up to 156 conditions per place.
[2024-11-24 00:12:16,326 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions.
[2024-11-24 00:12:16,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 51 transitions, 217 flow
[2024-11-24 00:12:16,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:12:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:12:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 141 transitions.
[2024-11-24 00:12:16,328 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6714285714285714
[2024-11-24 00:12:16,328 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 133 flow. Second operand 5 states and 141 transitions.
[2024-11-24 00:12:16,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 51 transitions, 217 flow
[2024-11-24 00:12:16,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 193 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-24 00:12:16,330 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow
[2024-11-24 00:12:16,330 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0}
[2024-11-24 00:12:16,331 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places.
[2024-11-24 00:12:16,331 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow
[2024-11-24 00:12:16,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:12:16,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-11-24 00:12:16,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-11-24 00:12:16,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-11-24 00:12:16,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-11-24 00:12:16,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-11-24 00:12:16,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-11-24 00:12:16,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-11-24 00:12:16,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 00:12:16,336 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-24 00:12:16,343 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:12:16,343 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:12:16,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:12:16 BasicIcfg
[2024-11-24 00:12:16,352 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:12:16,353 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:12:16,353 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:12:16,353 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:12:16,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:12:14" (3/4) ...
[2024-11-24 00:12:16,357 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 00:12:16,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-24 00:12:16,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-24 00:12:16,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-24 00:12:16,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges
[2024-11-24 00:12:16,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-24 00:12:16,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 00:12:16,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 00:12:16,462 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:12:16,462 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:12:16,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:12:16,463 INFO L158 Benchmark]: Toolchain (without parser) took 3694.31ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 54.4MB in the end (delta: 37.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB.
[2024-11-24 00:12:16,463 INFO L158 Benchmark]: CDTParser took 0.44ms. 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 00:12:16,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.87ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.2MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 00:12:16,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.38ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:12:16,464 INFO L158 Benchmark]: Boogie Preprocessor took 55.36ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:12:16,464 INFO L158 Benchmark]: RCFGBuilder took 681.81ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 46.6MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:12:16,464 INFO L158 Benchmark]: TraceAbstraction took 2240.25ms. Allocated memory is still 117.4MB. Free memory was 46.1MB in the beginning and 58.9MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:12:16,465 INFO L158 Benchmark]: Witness Printer took 109.24ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 54.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:12:16,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 559.87ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.2MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.38ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 55.36ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 681.81ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 46.6MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2240.25ms. Allocated memory is still 117.4MB. Free memory was 46.1MB in the beginning and 58.9MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 109.24ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 54.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 735]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 735]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 752]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 752]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 769]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 769]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 76 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 00:12:16,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ef6e12-1276-4fbd-b3dc-429f69732b0d/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