./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.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_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/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_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/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_e0c5b091-c9ee-4faa-a1e3-5e7196468773/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 e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:57:20,715 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:57:20,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 22:57:20,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:57:20,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:57:20,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:57:20,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:57:20,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:57:20,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 22:57:20,827 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 22:57:20,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:57:20,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:57:20,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:57:20,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 22:57:20,829 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 22:57:20,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:57:20,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:57:20,829 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 22:57:20,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 22:57:20,830 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 22:57:20,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 22:57:20,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:57:20,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:57:20,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:57:20,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 22:57:20,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 22:57:20,831 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 22:57:20,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 22:57:20,831 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:57:20,831 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 22:57:20,831 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:57:20,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:57:20,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:57:20,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:57:20,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:57:20,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:57:20,833 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_e0c5b091-c9ee-4faa-a1e3-5e7196468773/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 -> e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad
[2024-11-23 22:57:21,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:57:21,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:57:21,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:57:21,173 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 22:57:21,174 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 22:57:21,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2024-11-23 22:57:24,686 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/data/a50851d01/8bb8165e7fdb4cabb2cfa80969162b06/FLAG43da7b54f
[2024-11-23 22:57:25,160 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 22:57:25,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2024-11-23 22:57:25,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/data/a50851d01/8bb8165e7fdb4cabb2cfa80969162b06/FLAG43da7b54f
[2024-11-23 22:57:25,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/data/a50851d01/8bb8165e7fdb4cabb2cfa80969162b06
[2024-11-23 22:57:25,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:57:25,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:57:25,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:57:25,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:57:25,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:57:25,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:25,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a03fd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25, skipping insertion in model container
[2024-11-23 22:57:25,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:25,289 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:57:25,803 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:57:25,818 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 22:57:25,873 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:57:25,921 INFO L204 MainTranslator]: Completed translation
[2024-11-23 22:57:25,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25 WrapperNode
[2024-11-23 22:57:25,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 22:57:25,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 22:57:25,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 22:57:25,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 22:57:25,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:25,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:25,985 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60
[2024-11-23 22:57:25,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 22:57:25,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 22:57:25,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 22:57:25,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 22:57:26,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,054 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].
[2024-11-23 22:57:26,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 22:57:26,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 22:57:26,094 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 22:57:26,094 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 22:57:26,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (1/1) ...
[2024-11-23 22:57:26,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:57:26,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 22:57:26,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 22:57:26,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 22:57:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-23 22:57:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 22:57:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-23 22:57:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-23 22:57:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-23 22:57:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-23 22:57:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-23 22:57:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-23 22:57:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 22:57:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-23 22:57:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 22:57:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 22:57:26,200 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 22:57:26,343 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 22:57:26,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 22:57:26,648 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 22:57:26,648 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 22:57:26,837 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 22:57:26,841 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 22:57:26,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:26 BoogieIcfgContainer
[2024-11-23 22:57:26,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 22:57:26,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 22:57:26,845 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 22:57:26,854 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 22:57:26,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:57:25" (1/3) ...
[2024-11-23 22:57:26,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c14655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:57:26, skipping insertion in model container
[2024-11-23 22:57:26,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:25" (2/3) ...
[2024-11-23 22:57:26,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c14655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:57:26, skipping insertion in model container
[2024-11-23 22:57:26,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:26" (3/3) ...
[2024-11-23 22:57:26,857 INFO L128 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2024-11-23 22:57:26,876 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 22:57:26,880 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 39 locations, 1 initial locations, 0 loop locations, and 6 error locations.
[2024-11-23 22:57:26,880 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 22:57:26,967 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:57:27,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow
[2024-11-23 22:57:27,063 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events.
[2024-11-23 22:57:27,066 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:57:27,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-23 22:57:27,069 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow
[2024-11-23 22:57:27,073 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow
[2024-11-23 22:57:27,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:57:27,096 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;@507c6749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:57:27,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-23 22:57:27,106 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:57:27,106 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:57:27,106 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:57:27,106 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:57:27,107 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:57:27,107 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-23 22:57:27,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:57:27,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1764142717, now seen corresponding path program 1 times
[2024-11-23 22:57:27,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:57:27,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008573018]
[2024-11-23 22:57:27,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:57:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:57:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:57:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:57:27,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:57:27,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008573018]
[2024-11-23 22:57:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008573018] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:57:27,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:57:27,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 22:57:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781351241]
[2024-11-23 22:57:27,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:57:27,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:57:27,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:57:27,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:57:27,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:57:27,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38
[2024-11-23 22:57:27,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:27,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:57:27,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38
[2024-11-23 22:57:27,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:57:28,122 INFO L124 PetriNetUnfolderBase]: 842/1293 cut-off events.
[2024-11-23 22:57:28,122 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-11-23 22:57:28,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2619 conditions, 1293 events. 842/1293 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 7146 event pairs, 420 based on Foata normal form. 0/886 useless extension candidates. Maximal degree in co-relation 2608. Up to 1271 conditions per place.
[2024-11-23 22:57:28,151 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 27 selfloop transitions, 4 changer transitions 0/45 dead transitions.
[2024-11-23 22:57:28,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 45 transitions, 167 flow
[2024-11-23 22:57:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:57:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:57:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions.
[2024-11-23 22:57:28,181 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7719298245614035
[2024-11-23 22:57:28,183 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 88 transitions.
[2024-11-23 22:57:28,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 45 transitions, 167 flow
[2024-11-23 22:57:28,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 45 transitions, 162 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-23 22:57:28,194 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow
[2024-11-23 22:57:28,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=38}
[2024-11-23 22:57:28,202 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places.
[2024-11-23 22:57:28,202 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow
[2024-11-23 22:57:28,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:28,202 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:57:28,203 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:57:28,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 22:57:28,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-23 22:57:28,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:57:28,205 INFO L85 PathProgramCache]: Analyzing trace with hash 350637269, now seen corresponding path program 1 times
[2024-11-23 22:57:28,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:57:28,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305480900]
[2024-11-23 22:57:28,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:57:28,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:57:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:57:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:57:28,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:57:28,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305480900]
[2024-11-23 22:57:28,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305480900] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:57:28,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:57:28,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:57:28,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637741559]
[2024-11-23 22:57:28,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:57:28,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 22:57:28,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:57:28,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 22:57:28,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 22:57:28,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38
[2024-11-23 22:57:28,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:28,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:57:28,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38
[2024-11-23 22:57:28,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:57:28,694 INFO L124 PetriNetUnfolderBase]: 476/751 cut-off events.
[2024-11-23 22:57:28,695 INFO L125 PetriNetUnfolderBase]: For 87/91 co-relation queries the response was YES.
[2024-11-23 22:57:28,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 751 events. 476/751 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 3735 event pairs, 212 based on Foata normal form. 2/594 useless extension candidates. Maximal degree in co-relation 1856. Up to 728 conditions per place.
[2024-11-23 22:57:28,707 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 24 selfloop transitions, 4 changer transitions 0/42 dead transitions.
[2024-11-23 22:57:28,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 42 transitions, 174 flow
[2024-11-23 22:57:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 22:57:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 22:57:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 99 transitions.
[2024-11-23 22:57:28,716 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6513157894736842
[2024-11-23 22:57:28,716 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 99 transitions.
[2024-11-23 22:57:28,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 42 transitions, 174 flow
[2024-11-23 22:57:28,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 42 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:57:28,722 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 104 flow
[2024-11-23 22:57:28,722 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=104, PETRI_PLACES=44, PETRI_TRANSITIONS=35}
[2024-11-23 22:57:28,723 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places.
[2024-11-23 22:57:28,723 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 104 flow
[2024-11-23 22:57:28,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:28,724 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:57:28,724 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:57:28,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 22:57:28,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-23 22:57:28,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:57:28,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1846582164, now seen corresponding path program 1 times
[2024-11-23 22:57:28,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:57:28,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016661981]
[2024-11-23 22:57:28,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:57:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:57:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:57:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:57:28,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:57:28,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016661981]
[2024-11-23 22:57:28,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016661981] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:57:28,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:57:28,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:57:28,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323528300]
[2024-11-23 22:57:28,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:57:28,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 22:57:28,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:57:28,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 22:57:28,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 22:57:28,953 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38
[2024-11-23 22:57:28,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:28,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:57:28,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38
[2024-11-23 22:57:28,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:57:29,182 INFO L124 PetriNetUnfolderBase]: 302/497 cut-off events.
[2024-11-23 22:57:29,182 INFO L125 PetriNetUnfolderBase]: For 107/111 co-relation queries the response was YES.
[2024-11-23 22:57:29,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 497 events. 302/497 cut-off events. For 107/111 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2219 event pairs, 40 based on Foata normal form. 2/444 useless extension candidates. Maximal degree in co-relation 1188. Up to 409 conditions per place.
[2024-11-23 22:57:29,187 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 29 selfloop transitions, 7 changer transitions 3/53 dead transitions.
[2024-11-23 22:57:29,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 53 transitions, 230 flow
[2024-11-23 22:57:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 22:57:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 22:57:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions.
[2024-11-23 22:57:29,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7236842105263158
[2024-11-23 22:57:29,190 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 104 flow. Second operand 4 states and 110 transitions.
[2024-11-23 22:57:29,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 53 transitions, 230 flow
[2024-11-23 22:57:29,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 53 transitions, 225 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:57:29,196 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 125 flow
[2024-11-23 22:57:29,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=46, PETRI_TRANSITIONS=35}
[2024-11-23 22:57:29,198 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places.
[2024-11-23 22:57:29,198 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 125 flow
[2024-11-23 22:57:29,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:29,198 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:57:29,199 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]
[2024-11-23 22:57:29,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 22:57:29,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-23 22:57:29,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:57:29,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1072935165, now seen corresponding path program 1 times
[2024-11-23 22:57:29,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:57:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817615081]
[2024-11-23 22:57:29,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:57:29,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:57:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:57:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:57:29,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:57:29,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817615081]
[2024-11-23 22:57:29,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817615081] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:57:29,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:57:29,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 22:57:29,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195476689]
[2024-11-23 22:57:29,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:57:29,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:57:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:57:29,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:57:29,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:57:29,449 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38
[2024-11-23 22:57:29,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:29,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:57:29,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38
[2024-11-23 22:57:29,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:57:29,610 INFO L124 PetriNetUnfolderBase]: 130/245 cut-off events.
[2024-11-23 22:57:29,610 INFO L125 PetriNetUnfolderBase]: For 270/278 co-relation queries the response was YES.
[2024-11-23 22:57:29,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 245 events. 130/245 cut-off events. For 270/278 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1037 event pairs, 0 based on Foata normal form. 52/290 useless extension candidates. Maximal degree in co-relation 718. Up to 156 conditions per place.
[2024-11-23 22:57:29,612 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions.
[2024-11-23 22:57:29,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 47 transitions, 209 flow
[2024-11-23 22:57:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:57:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:57:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 121 transitions.
[2024-11-23 22:57:29,617 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6368421052631579
[2024-11-23 22:57:29,619 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 125 flow. Second operand 5 states and 121 transitions.
[2024-11-23 22:57:29,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 47 transitions, 209 flow
[2024-11-23 22:57:29,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 47 transitions, 185 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-23 22:57:29,621 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow
[2024-11-23 22:57:29,621 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0}
[2024-11-23 22:57:29,624 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places.
[2024-11-23 22:57:29,624 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow
[2024-11-23 22:57:29,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:57:29,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-11-23 22:57:29,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-11-23 22:57:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-11-23 22:57:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-11-23 22:57:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-11-23 22:57:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-11-23 22:57:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-11-23 22:57:29,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-11-23 22:57:29,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 22:57:29,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:57:29,642 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 22:57:29,642 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 22:57:29,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:57:29 BasicIcfg
[2024-11-23 22:57:29,649 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 22:57:29,652 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 22:57:29,652 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 22:57:29,653 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 22:57:29,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:26" (3/4) ...
[2024-11-23 22:57:29,656 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 22:57:29,660 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-23 22:57:29,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-23 22:57:29,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-23 22:57:29,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges
[2024-11-23 22:57:29,669 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-23 22:57:29,669 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 22:57:29,669 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 22:57:29,808 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 22:57:29,808 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 22:57:29,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 22:57:29,810 INFO L158 Benchmark]: Toolchain (without parser) took 4585.69ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 99.7MB in the beginning and 329.8MB in the end (delta: -230.1MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB.
[2024-11-23 22:57:29,810 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:57:29,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.45ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 79.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 22:57:29,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.93ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:57:29,811 INFO L158 Benchmark]: Boogie Preprocessor took 106.40ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:57:29,813 INFO L158 Benchmark]: RCFGBuilder took 748.14ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 54.6MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 22:57:29,814 INFO L158 Benchmark]: TraceAbstraction took 2805.08ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 42.2MB in the end (delta: 12.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB.
[2024-11-23 22:57:29,815 INFO L158 Benchmark]: Witness Printer took 156.89ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 42.2MB in the beginning and 329.8MB in the end (delta: -287.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:57:29,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 693.45ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 79.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 62.93ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 106.40ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 748.14ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 54.6MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2805.08ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 42.2MB in the end (delta: 12.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB.
* Witness Printer took 156.89ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 42.2MB in the beginning and 329.8MB in the end (delta: -287.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 733]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 733]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 745]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 745]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 760]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 760]: 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, 68 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: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 200 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 0.7s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 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!
[2024-11-23 22:57:29,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c5b091-c9ee-4faa-a1e3-5e7196468773/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