./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_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_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/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_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/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_8e58257b-7711-49c5-9c13-e7f90976cb59/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 f20fd36bba02e157a8b8bf1ebc392e6f77e4774b666ec7e51005ea908400e881
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:53:18,426 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:53:18,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 06:53:18,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:53:18,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:53:18,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:53:18,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:53:18,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:53:18,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:53:18,514 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:53:18,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:53:18,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:53:18,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:53:18,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:53:18,515 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:53:18,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:53:18,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:53:18,515 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:53:18,516 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:53:18,517 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:18,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:53:18,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:18,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:53:18,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:53:18,518 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_8e58257b-7711-49c5-9c13-e7f90976cb59/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 -> f20fd36bba02e157a8b8bf1ebc392e6f77e4774b666ec7e51005ea908400e881
[2024-12-02 06:53:18,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:53:18,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:53:18,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:53:18,755 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:53:18,756 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:53:18,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe009_power.oepc.i
[2024-12-02 06:53:21,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/data/5360cd7a1/ca1a75510240487490db486787d2bcbb/FLAG07202d5a7
[2024-12-02 06:53:21,637 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:53:21,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/sv-benchmarks/c/pthread-wmm/safe009_power.oepc.i
[2024-12-02 06:53:21,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/data/5360cd7a1/ca1a75510240487490db486787d2bcbb/FLAG07202d5a7
[2024-12-02 06:53:21,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/data/5360cd7a1/ca1a75510240487490db486787d2bcbb
[2024-12-02 06:53:21,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:53:21,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:53:21,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:53:21,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:53:21,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:53:21,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:53:21" (1/1) ...
[2024-12-02 06:53:21,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f66ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:21, skipping insertion in model container
[2024-12-02 06:53:21,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:53:21" (1/1) ...
[2024-12-02 06:53:21,702 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:53:21,971 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:53:21,980 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:53:22,042 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:53:22,076 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:53:22,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22 WrapperNode
[2024-12-02 06:53:22,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:53:22,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:53:22,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:53:22,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:53:22,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,112 INFO L138 Inliner]: procedures = 175, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161
[2024-12-02 06:53:22,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:53:22,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:53:22,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:53:22,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:53:22,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,137 INFO L175 MemorySlicer]: Split 26 memory accesses to 2 slices as follows [2, 24]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 9 writes are split as follows [0, 9].
[2024-12-02 06:53:22,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:53:22,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:53:22,156 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:53:22,156 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:53:22,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (1/1) ...
[2024-12-02 06:53:22,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:22,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:53:22,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:53:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 06:53:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-12-02 06:53:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-12-02 06:53:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-12-02 06:53:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 06:53:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:53:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:53:22,205 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 06:53:22,331 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:53:22,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:53:22,735 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 06:53:22,735 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:53:23,150 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:53:23,150 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 06:53:23,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:23 BoogieIcfgContainer
[2024-12-02 06:53:23,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:53:23,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:53:23,152 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:53:23,157 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:53:23,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:53:21" (1/3) ...
[2024-12-02 06:53:23,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b58d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:53:23, skipping insertion in model container
[2024-12-02 06:53:23,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:22" (2/3) ...
[2024-12-02 06:53:23,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b58d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:53:23, skipping insertion in model container
[2024-12-02 06:53:23,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:23" (3/3) ...
[2024-12-02 06:53:23,159 INFO L128 eAbstractionObserver]: Analyzing ICFG safe009_power.oepc.i
[2024-12-02 06:53:23,175 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:53:23,177 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe009_power.oepc.i that has 4 procedures, 39 locations, 1 initial locations, 0 loop locations, and 6 error locations.
[2024-12-02 06:53:23,178 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 06:53:23,250 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 06:53:23,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow
[2024-12-02 06:53:23,314 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events.
[2024-12-02 06:53:23,317 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 06:53:23,319 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 85 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 06:53:23,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow
[2024-12-02 06:53:23,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow
[2024-12-02 06:53:23,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:53:23,340 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;@705e99eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:53:23,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-12-02 06:53:23,349 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:53:23,349 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-12-02 06:53:23,349 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 06:53:23,349 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:53:23,350 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:23,350 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 06:53:23,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:23,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1714610428, now seen corresponding path program 1 times
[2024-12-02 06:53:23,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:23,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120775732]
[2024-12-02 06:53:23,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:23,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:23,661 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 06:53:23,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:23,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120775732]
[2024-12-02 06:53:23,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120775732] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:23,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:23,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 06:53:23,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740436522]
[2024-12-02 06:53:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:23,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:53:23,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:23,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:53:23,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:53:23,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38
[2024-12-02 06:53:23,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 06:53:23,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:53:23,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38
[2024-12-02 06:53:23,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:53:24,817 INFO L124 PetriNetUnfolderBase]: 2899/4255 cut-off events.
[2024-12-02 06:53:24,817 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES.
[2024-12-02 06:53:24,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8562 conditions, 4255 events. 2899/4255 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 24163 event pairs, 1001 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 8551. Up to 3915 conditions per place.
[2024-12-02 06:53:24,846 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 41 selfloop transitions, 4 changer transitions 0/52 dead transitions.
[2024-12-02 06:53:24,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 52 transitions, 209 flow
[2024-12-02 06:53:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:53:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 06:53:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions.
[2024-12-02 06:53:24,860 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7105263157894737
[2024-12-02 06:53:24,862 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 81 transitions.
[2024-12-02 06:53:24,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 52 transitions, 209 flow
[2024-12-02 06:53:24,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-12-02 06:53:24,870 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow
[2024-12-02 06:53:24,873 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 06:53:24,876 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places.
[2024-12-02 06:53:24,876 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow
[2024-12-02 06:53:24,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 06:53:24,876 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:53:24,877 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:24,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:53:24,877 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 06:53:24,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1915267005, now seen corresponding path program 1 times
[2024-12-02 06:53:24,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:24,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508277599]
[2024-12-02 06:53:24,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:25,051 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 06:53:25,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508277599]
[2024-12-02 06:53:25,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508277599] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:25,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:25,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:53:25,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339555756]
[2024-12-02 06:53:25,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:25,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:53:25,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:25,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:53:25,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:53:25,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38
[2024-12-02 06:53:25,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:53:25,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:53:25,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38
[2024-12-02 06:53:25,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:53:25,639 INFO L124 PetriNetUnfolderBase]: 2055/3031 cut-off events.
[2024-12-02 06:53:25,639 INFO L125 PetriNetUnfolderBase]: For 240/240 co-relation queries the response was YES.
[2024-12-02 06:53:25,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7070 conditions, 3031 events. 2055/3031 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 16413 event pairs, 631 based on Foata normal form. 0/2678 useless extension candidates. Maximal degree in co-relation 7059. Up to 2690 conditions per place.
[2024-12-02 06:53:25,651 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 38 selfloop transitions, 4 changer transitions 0/49 dead transitions.
[2024-12-02 06:53:25,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 49 transitions, 216 flow
[2024-12-02 06:53:25,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:53:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 06:53:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions.
[2024-12-02 06:53:25,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5592105263157895
[2024-12-02 06:53:25,653 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 85 transitions.
[2024-12-02 06:53:25,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 49 transitions, 216 flow
[2024-12-02 06:53:25,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 49 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 06:53:25,658 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 104 flow
[2024-12-02 06:53:25,658 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 06:53:25,658 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places.
[2024-12-02 06:53:25,659 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 104 flow
[2024-12-02 06:53:25,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:53:25,659 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:53:25,659 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:25,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:53:25,659 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 06:53:25,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:25,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1915267006, now seen corresponding path program 1 times
[2024-12-02 06:53:25,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:25,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279825113]
[2024-12-02 06:53:25,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:25,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:25,786 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 06:53:25,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:25,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279825113]
[2024-12-02 06:53:25,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279825113] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:25,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:25,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:53:25,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755464348]
[2024-12-02 06:53:25,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:25,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:53:25,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:25,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:53:25,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:53:25,791 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38
[2024-12-02 06:53:25,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:53:25,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:53:25,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38
[2024-12-02 06:53:25,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:53:26,239 INFO L124 PetriNetUnfolderBase]: 1511/2251 cut-off events.
[2024-12-02 06:53:26,239 INFO L125 PetriNetUnfolderBase]: For 482/482 co-relation queries the response was YES.
[2024-12-02 06:53:26,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5159 conditions, 2251 events. 1511/2251 cut-off events. For 482/482 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 11561 event pairs, 257 based on Foata normal form. 0/2170 useless extension candidates. Maximal degree in co-relation 5147. Up to 1077 conditions per place.
[2024-12-02 06:53:26,246 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 50 selfloop transitions, 7 changer transitions 3/67 dead transitions.
[2024-12-02 06:53:26,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 67 transitions, 300 flow
[2024-12-02 06:53:26,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:53:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 06:53:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions.
[2024-12-02 06:53:26,248 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6776315789473685
[2024-12-02 06:53:26,248 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 104 flow. Second operand 4 states and 103 transitions.
[2024-12-02 06:53:26,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 67 transitions, 300 flow
[2024-12-02 06:53:26,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 67 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 06:53:26,250 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 125 flow
[2024-12-02 06:53:26,251 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 06:53:26,251 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places.
[2024-12-02 06:53:26,251 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 125 flow
[2024-12-02 06:53:26,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:53:26,252 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:53:26,252 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 06:53:26,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:53:26,252 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 06:53:26,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:26,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1454358141, now seen corresponding path program 1 times
[2024-12-02 06:53:26,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500288745]
[2024-12-02 06:53:26,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:26,384 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 06:53:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:26,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500288745]
[2024-12-02 06:53:26,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500288745] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:26,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:26,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:53:26,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770582866]
[2024-12-02 06:53:26,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:26,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:53:26,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:26,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:53:26,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:53:26,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38
[2024-12-02 06:53:26,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 06:53:26,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:53:26,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38
[2024-12-02 06:53:26,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:53:26,902 INFO L124 PetriNetUnfolderBase]: 1243/1863 cut-off events.
[2024-12-02 06:53:26,903 INFO L125 PetriNetUnfolderBase]: For 1134/1134 co-relation queries the response was YES.
[2024-12-02 06:53:26,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4778 conditions, 1863 events. 1243/1863 cut-off events. For 1134/1134 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9537 event pairs, 197 based on Foata normal form. 72/1926 useless extension candidates. Maximal degree in co-relation 4765. Up to 834 conditions per place.
[2024-12-02 06:53:26,906 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions.
[2024-12-02 06:53:26,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 61 transitions, 279 flow
[2024-12-02 06:53:26,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:53:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 06:53:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 107 transitions.
[2024-12-02 06:53:26,907 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5631578947368421
[2024-12-02 06:53:26,908 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 125 flow. Second operand 5 states and 107 transitions.
[2024-12-02 06:53:26,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 61 transitions, 279 flow
[2024-12-02 06:53:26,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 61 transitions, 255 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-12-02 06:53:26,910 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow
[2024-12-02 06:53:26,910 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 06:53:26,911 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places.
[2024-12-02 06:53:26,911 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow
[2024-12-02 06:53:26,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 06:53:26,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-12-02 06:53:26,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-12-02 06:53:26,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-12-02 06:53:26,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-12-02 06:53:26,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-12-02 06:53:26,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-12-02 06:53:26,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:53:26,915 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 06:53:26,919 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 06:53:26,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:53:26,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:53:26 BasicIcfg
[2024-12-02 06:53:26,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:53:26,925 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:53:26,925 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:53:26,925 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:53:26,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:23" (3/4) ...
[2024-12-02 06:53:26,927 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 06:53:26,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-12-02 06:53:26,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-12-02 06:53:26,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-12-02 06:53:26,932 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges
[2024-12-02 06:53:26,933 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 06:53:26,933 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 06:53:26,933 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 06:53:26,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:53:26,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 06:53:26,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:53:26,988 INFO L158 Benchmark]: Toolchain (without parser) took 5322.37ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 115.2MB in the beginning and 199.3MB in the end (delta: -84.0MB). Peak memory consumption was 168.1MB. Max. memory is 16.1GB.
[2024-12-02 06:53:26,988 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:53:26,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.95ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 90.0MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 06:53:26,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.58ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 87.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:53:26,989 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:53:26,989 INFO L158 Benchmark]: RCFGBuilder took 994.74ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 93.0MB in the end (delta: -9.9MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB.
[2024-12-02 06:53:26,990 INFO L158 Benchmark]: TraceAbstraction took 3771.92ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 92.3MB in the beginning and 203.5MB in the end (delta: -111.2MB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB.
[2024-12-02 06:53:26,990 INFO L158 Benchmark]: Witness Printer took 62.72ms. Allocated memory is still 394.3MB. Free memory was 203.5MB in the beginning and 199.3MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:53:26,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 410.95ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 90.0MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.58ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 87.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.58ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 994.74ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 93.0MB in the end (delta: -9.9MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 3771.92ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 92.3MB in the beginning and 203.5MB in the end (delta: -111.2MB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB.
* Witness Printer took 62.72ms. Allocated memory is still 394.3MB. Free memory was 203.5MB in the beginning and 199.3MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 803]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 803]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 820]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 820]: 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: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 282 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 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 06:53:27,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e58257b-7711-49c5-9c13-e7f90976cb59/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