./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_power.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1 --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 449d00de99d52e6ea9aa539e57f46adfc8dfbb78972c0dc655f91843e743f43f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:51:01,103 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:51:01,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 10:51:01,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:51:01,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:51:01,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:51:01,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:51:01,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:51:01,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:51:01,186 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:51:01,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:51:01,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:51:01,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:51:01,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:51:01,187 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:51:01,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:51:01,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:51:01,189 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:51:01,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:51:01,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:51:01,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:51:01,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:51:01,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:51:01,192 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_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1
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 -> 449d00de99d52e6ea9aa539e57f46adfc8dfbb78972c0dc655f91843e743f43f
[2024-12-02 10:51:01,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:51:01,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:51:01,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:51:01,420 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:51:01,420 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:51:01,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe018_power.oepc.i
[2024-12-02 10:51:04,039 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/data/6386c58c9/48a91e35c21f49c4badbecd25f942f8b/FLAG5704281f0
[2024-12-02 10:51:04,287 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:51:04,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/sv-benchmarks/c/pthread-wmm/safe018_power.oepc.i
[2024-12-02 10:51:04,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/data/6386c58c9/48a91e35c21f49c4badbecd25f942f8b/FLAG5704281f0
[2024-12-02 10:51:04,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/data/6386c58c9/48a91e35c21f49c4badbecd25f942f8b
[2024-12-02 10:51:04,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:51:04,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:51:04,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:51:04,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:51:04,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:51:04,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:04" (1/1) ...
[2024-12-02 10:51:04,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f80ed5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:04, skipping insertion in model container
[2024-12-02 10:51:04,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:04" (1/1) ...
[2024-12-02 10:51:04,662 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:51:04,916 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:51:04,924 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:51:04,982 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:51:05,019 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:51:05,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05 WrapperNode
[2024-12-02 10:51:05,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:51:05,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:51:05,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:51:05,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:51:05,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,060 INFO L138 Inliner]: procedures = 175, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127
[2024-12-02 10:51:05,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:51:05,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:51:05,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:51:05,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:51:05,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,090 INFO L175 MemorySlicer]: Split 17 memory accesses to 2 slices as follows [2, 15]. 88 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 5 writes are split as follows [0, 5].
[2024-12-02 10:51:05,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,099 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:51:05,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:51:05,111 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:51:05,111 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:51:05,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (1/1) ...
[2024-12-02 10:51:05,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:51:05,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:05,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:51:05,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-12-02 10:51:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-12-02 10:51:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-12-02 10:51:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-12-02 10:51:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-12-02 10:51:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-12-02 10:51:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 10:51:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 10:51:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 10:51:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:51:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:51:05,175 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 10:51:05,306 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:51:05,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:51:05,671 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 10:51:05,671 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:51:06,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:51:06,006 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 10:51:06,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:06 BoogieIcfgContainer
[2024-12-02 10:51:06,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:51:06,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:51:06,009 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:51:06,013 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:51:06,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:51:04" (1/3) ...
[2024-12-02 10:51:06,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7628fcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:51:06, skipping insertion in model container
[2024-12-02 10:51:06,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:05" (2/3) ...
[2024-12-02 10:51:06,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7628fcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:51:06, skipping insertion in model container
[2024-12-02 10:51:06,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:06" (3/3) ...
[2024-12-02 10:51:06,016 INFO L128 eAbstractionObserver]: Analyzing ICFG safe018_power.oepc.i
[2024-12-02 10:51:06,033 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:51:06,036 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe018_power.oepc.i that has 4 procedures, 39 locations, 1 initial locations, 0 loop locations, and 6 error locations.
[2024-12-02 10:51:06,036 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 10:51:06,108 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 10:51:06,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow
[2024-12-02 10:51:06,191 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events.
[2024-12-02 10:51:06,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 10:51:06,196 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 80 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.
[2024-12-02 10:51:06,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow
[2024-12-02 10:51:06,199 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow
[2024-12-02 10:51:06,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:51:06,220 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;@476e542c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:51:06,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-12-02 10:51:06,231 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 10:51:06,231 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-12-02 10:51:06,231 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 10:51:06,231 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:51:06,232 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:06,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 10:51:06,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:06,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1152951670, now seen corresponding path program 1 times
[2024-12-02 10:51:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:51:06,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403279287]
[2024-12-02 10:51:06,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:51:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:51:06,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:51:06,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403279287]
[2024-12-02 10:51:06,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403279287] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:06,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:06,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 10:51:06,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943312832]
[2024-12-02 10:51:06,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:06,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:51:06,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:51:06,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:51:06,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:51:06,606 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38
[2024-12-02 10:51:06,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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)
[2024-12-02 10:51:06,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:51:06,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38
[2024-12-02 10:51:06,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:51:07,266 INFO L124 PetriNetUnfolderBase]: 2075/3077 cut-off events.
[2024-12-02 10:51:07,266 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES.
[2024-12-02 10:51:07,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6192 conditions, 3077 events. 2075/3077 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 18148 event pairs, 773 based on Foata normal form. 0/2331 useless extension candidates. Maximal degree in co-relation 6181. Up to 2975 conditions per place.
[2024-12-02 10:51:07,289 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 37 selfloop transitions, 4 changer transitions 0/50 dead transitions.
[2024-12-02 10:51:07,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 197 flow
[2024-12-02 10:51:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:51:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 10:51:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions.
[2024-12-02 10:51:07,302 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7280701754385965
[2024-12-02 10:51:07,303 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 83 transitions.
[2024-12-02 10:51:07,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 197 flow
[2024-12-02 10:51:07,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 50 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-12-02 10:51:07,310 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow
[2024-12-02 10:51:07,313 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}
[2024-12-02 10:51:07,316 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places.
[2024-12-02 10:51:07,316 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow
[2024-12-02 10:51:07,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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)
[2024-12-02 10:51:07,316 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:51:07,316 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:07,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:51:07,317 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 10:51:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:07,317 INFO L85 PathProgramCache]: Analyzing trace with hash -395826711, now seen corresponding path program 1 times
[2024-12-02 10:51:07,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:51:07,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734929016]
[2024-12-02 10:51:07,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:51:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:51:07,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:51:07,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734929016]
[2024-12-02 10:51:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734929016] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:07,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:07,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:51:07,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692567339]
[2024-12-02 10:51:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:51:07,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:07,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:07,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38
[2024-12-02 10:51:07,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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)
[2024-12-02 10:51:07,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:51:07,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38
[2024-12-02 10:51:07,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:51:07,923 INFO L124 PetriNetUnfolderBase]: 1343/2013 cut-off events.
[2024-12-02 10:51:07,923 INFO L125 PetriNetUnfolderBase]: For 191/196 co-relation queries the response was YES.
[2024-12-02 10:51:07,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4796 conditions, 2013 events. 1343/2013 cut-off events. For 191/196 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 11001 event pairs, 427 based on Foata normal form. 2/1709 useless extension candidates. Maximal degree in co-relation 4785. Up to 1910 conditions per place.
[2024-12-02 10:51:07,935 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 34 selfloop transitions, 4 changer transitions 0/47 dead transitions.
[2024-12-02 10:51:07,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 204 flow
[2024-12-02 10:51:07,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:51:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 10:51:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions.
[2024-12-02 10:51:07,937 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5855263157894737
[2024-12-02 10:51:07,937 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 89 transitions.
[2024-12-02 10:51:07,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 204 flow
[2024-12-02 10:51:07,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 47 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 10:51:07,940 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 104 flow
[2024-12-02 10:51:07,941 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}
[2024-12-02 10:51:07,941 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places.
[2024-12-02 10:51:07,941 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 104 flow
[2024-12-02 10:51:07,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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)
[2024-12-02 10:51:07,942 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:51:07,942 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:07,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 10:51:07,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 10:51:07,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:07,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1601165854, now seen corresponding path program 1 times
[2024-12-02 10:51:07,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:51:07,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672618994]
[2024-12-02 10:51:07,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:51:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:51:08,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:51:08,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672618994]
[2024-12-02 10:51:08,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672618994] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:08,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:08,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:51:08,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440402208]
[2024-12-02 10:51:08,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:08,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:08,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:51:08,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:08,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:08,067 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38
[2024-12-02 10:51:08,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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)
[2024-12-02 10:51:08,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:51:08,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38
[2024-12-02 10:51:08,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:51:08,458 INFO L124 PetriNetUnfolderBase]: 911/1393 cut-off events.
[2024-12-02 10:51:08,459 INFO L125 PetriNetUnfolderBase]: For 319/324 co-relation queries the response was YES.
[2024-12-02 10:51:08,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3253 conditions, 1393 events. 911/1393 cut-off events. For 319/324 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6907 event pairs, 101 based on Foata normal form. 2/1313 useless extension candidates. Maximal degree in co-relation 3241. Up to 893 conditions per place.
[2024-12-02 10:51:08,466 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 44 selfloop transitions, 7 changer transitions 3/63 dead transitions.
[2024-12-02 10:51:08,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 63 transitions, 280 flow
[2024-12-02 10:51:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:51:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 10:51:08,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions.
[2024-12-02 10:51:08,468 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6907894736842105
[2024-12-02 10:51:08,468 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 104 flow. Second operand 4 states and 105 transitions.
[2024-12-02 10:51:08,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 63 transitions, 280 flow
[2024-12-02 10:51:08,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 63 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 10:51:08,469 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 125 flow
[2024-12-02 10:51:08,469 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}
[2024-12-02 10:51:08,470 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places.
[2024-12-02 10:51:08,470 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 125 flow
[2024-12-02 10:51:08,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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)
[2024-12-02 10:51:08,471 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:51:08,471 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]
[2024-12-02 10:51:08,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:51:08,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 10:51:08,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:08,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1431899578, now seen corresponding path program 1 times
[2024-12-02 10:51:08,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:51:08,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074990999]
[2024-12-02 10:51:08,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:08,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:51:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:51:08,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:51:08,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074990999]
[2024-12-02 10:51:08,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074990999] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:08,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:08,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:51:08,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543916414]
[2024-12-02 10:51:08,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:08,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:51:08,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:51:08,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:51:08,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:51:08,644 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38
[2024-12-02 10:51:08,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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)
[2024-12-02 10:51:08,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:51:08,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38
[2024-12-02 10:51:08,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:51:08,929 INFO L124 PetriNetUnfolderBase]: 643/1005 cut-off events.
[2024-12-02 10:51:08,929 INFO L125 PetriNetUnfolderBase]: For 763/773 co-relation queries the response was YES.
[2024-12-02 10:51:08,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2712 conditions, 1005 events. 643/1005 cut-off events. For 763/773 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4910 event pairs, 41 based on Foata normal form. 76/1071 useless extension candidates. Maximal degree in co-relation 2699. Up to 504 conditions per place.
[2024-12-02 10:51:08,932 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions.
[2024-12-02 10:51:08,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 57 transitions, 259 flow
[2024-12-02 10:51:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:51:08,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 10:51:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions.
[2024-12-02 10:51:08,933 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5842105263157895
[2024-12-02 10:51:08,933 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 125 flow. Second operand 5 states and 111 transitions.
[2024-12-02 10:51:08,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 57 transitions, 259 flow
[2024-12-02 10:51:08,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 57 transitions, 235 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-12-02 10:51:08,936 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow
[2024-12-02 10:51:08,936 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}
[2024-12-02 10:51:08,937 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places.
[2024-12-02 10:51:08,937 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow
[2024-12-02 10:51:08,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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)
[2024-12-02 10:51:08,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-12-02 10:51:08,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-12-02 10:51:08,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-12-02 10:51:08,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-12-02 10:51:08,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-12-02 10:51:08,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-12-02 10:51:08,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-12-02 10:51:08,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-12-02 10:51:08,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 10:51:08,942 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 10:51:08,946 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 10:51:08,946 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:51:08,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:51:08 BasicIcfg
[2024-12-02 10:51:08,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:51:08,952 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:51:08,952 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:51:08,952 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:51:08,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:06" (3/4) ...
[2024-12-02 10:51:08,954 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 10:51:08,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-12-02 10:51:08,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-12-02 10:51:08,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-12-02 10:51:08,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges
[2024-12-02 10:51:08,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-02 10:51:08,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 10:51:08,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 10:51:09,023 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:51:09,024 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:51:09,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:51:09,025 INFO L158 Benchmark]: Toolchain (without parser) took 4399.86ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 116.2MB in the beginning and 376.9MB in the end (delta: -260.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB.
[2024-12-02 10:51:09,025 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:51:09,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.82ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 92.9MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 10:51:09,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.48ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:51:09,026 INFO L158 Benchmark]: Boogie Preprocessor took 48.85ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 87.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:51:09,026 INFO L158 Benchmark]: RCFGBuilder took 896.12ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 62.6MB in the end (delta: 24.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB.
[2024-12-02 10:51:09,027 INFO L158 Benchmark]: TraceAbstraction took 2942.23ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 61.9MB in the beginning and 383.5MB in the end (delta: -321.5MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB.
[2024-12-02 10:51:09,027 INFO L158 Benchmark]: Witness Printer took 72.37ms. Allocated memory is still 453.0MB. Free memory was 383.5MB in the beginning and 376.9MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:51:09,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 393.82ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 92.9MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.48ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 48.85ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 87.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 896.12ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 62.6MB in the end (delta: 24.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 2942.23ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 61.9MB in the beginning and 383.5MB in the end (delta: -321.5MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB.
* Witness Printer took 72.37ms. Allocated memory is still 453.0MB. Free memory was 383.5MB in the beginning and 376.9MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 785]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 785]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 797]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 797]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 817]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 817]: 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: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 258 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=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, 0.5s 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!
[2024-12-02 10:51:09,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb40572b-25a3-4fcc-8bf9-6dc2dee9c96c/bin/uautomizer-verify-84ZbGMXZE1/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