./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme --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 a9d301fd24d7dbc3684a100e80ac453023513d8631f488025251adcc1a8646b5
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:58:48,194 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:58:48,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-26 11:58:48,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:58:48,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:58:48,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:58:48,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:58:48,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:58:48,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:58:48,402 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:58:48,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:58:48,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:58:48,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:58:48,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:58:48,405 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:58:48,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:58:48,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:58:48,407 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:58:48,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 11:58:48,408 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:58:48,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:58:48,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:58:48,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:58:48,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:58:48,411 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-26 11:58:48,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-26 11:58:48,412 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:58:48,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:58:48,413 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:58:48,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:58:48,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:58:48,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:58:48,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:58:48,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:58:48,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:58:48,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:58:48,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:58:48,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 11:58:48,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 11:58:48,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:58:48,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:58:48,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:58:48,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:58:48,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:58:48,421 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9d301fd24d7dbc3684a100e80ac453023513d8631f488025251adcc1a8646b5
[2023-11-26 11:58:48,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:58:48,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:58:48,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:58:48,842 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:58:48,843 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:58:48,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/safe027_power.oepc.i
[2023-11-26 11:58:51,909 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:58:52,259 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:58:52,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/sv-benchmarks/c/pthread-wmm/safe027_power.oepc.i
[2023-11-26 11:58:52,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/data/2e60fcb3c/5cb9fd1ec0ac4ddfa0db4cd9c6830446/FLAG4ac4dbc5f
[2023-11-26 11:58:52,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/data/2e60fcb3c/5cb9fd1ec0ac4ddfa0db4cd9c6830446
[2023-11-26 11:58:52,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:58:52,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:58:52,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:58:52,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:58:52,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:58:52,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:52" (1/1) ...
[2023-11-26 11:58:52,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e47637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:52, skipping insertion in model container
[2023-11-26 11:58:52,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:52" (1/1) ...
[2023-11-26 11:58:52,390 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:58:53,053 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:58:53,067 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:58:53,181 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:58:53,237 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-26 11:58:53,238 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-26 11:58:53,246 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:58:53,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53 WrapperNode
[2023-11-26 11:58:53,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:58:53,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:58:53,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:58:53,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:58:53,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,340 INFO L138 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 155
[2023-11-26 11:58:53,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:58:53,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:58:53,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:58:53,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:58:53,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,430 INFO L175 MemorySlicer]: Split 27 memory accesses to 6 slices as follows [2, 1, 21, 1, 1, 1]. 78 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1, 0, 0, 0]. The 11 writes are split as follows [0, 1, 7, 1, 1, 1].
[2023-11-26 11:58:53,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:58:53,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:58:53,460 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:58:53,460 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:58:53,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (1/1) ...
[2023-11-26 11:58:53,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:58:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:58:53,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:58:53,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:58:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-26 11:58:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-26 11:58:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-26 11:58:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2023-11-26 11:58:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2023-11-26 11:58:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2023-11-26 11:58:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-26 11:58:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-26 11:58:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-26 11:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2023-11-26 11:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2023-11-26 11:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2023-11-26 11:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-26 11:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-26 11:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-26 11:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-26 11:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-26 11:58:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-26 11:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-26 11:58:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-26 11:58:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-26 11:58:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2023-11-26 11:58:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2023-11-26 11:58:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 11:58:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-26 11:58:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-26 11:58:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2023-11-26 11:58:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2023-11-26 11:58:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2023-11-26 11:58:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-26 11:58:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:58:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:58:53,563 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-26 11:58:53,805 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:58:53,808 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:58:54,402 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:58:54,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:58:54,860 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-26 11:58:54,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:54 BoogieIcfgContainer
[2023-11-26 11:58:54,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:58:54,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:58:54,863 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:58:54,867 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:58:54,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:52" (1/3) ...
[2023-11-26 11:58:54,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ba8b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:54, skipping insertion in model container
[2023-11-26 11:58:54,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:53" (2/3) ...
[2023-11-26 11:58:54,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ba8b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:54, skipping insertion in model container
[2023-11-26 11:58:54,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:54" (3/3) ...
[2023-11-26 11:58:54,870 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_power.oepc.i
[2023-11-26 11:58:54,880 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-26 11:58:54,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:58:54,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-26 11:58:54,893 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-26 11:58:54,982 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-26 11:58:55,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 112 flow
[2023-11-26 11:58:55,091 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events.
[2023-11-26 11:58:55,091 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-26 11:58:55,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 110 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2023-11-26 11:58:55,094 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 48 transitions, 112 flow
[2023-11-26 11:58:55,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 44 transitions, 100 flow
[2023-11-26 11:58:55,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:58:55,127 INFO L357 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, mHoare=true, 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;@678b579c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:58:55,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2023-11-26 11:58:55,139 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-26 11:58:55,140 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2023-11-26 11:58:55,140 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-26 11:58:55,140 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-26 11:58:55,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:58:55,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-26 11:58:55,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:58:55,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1594684441, now seen corresponding path program 1 times
[2023-11-26 11:58:55,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:58:55,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768906683]
[2023-11-26 11:58:55,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:58:55,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:58:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:58:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:58:55,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:58:55,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768906683]
[2023-11-26 11:58:55,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768906683] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:58:55,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:58:55,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-26 11:58:55,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374563591]
[2023-11-26 11:58:55,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:58:55,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:58:55,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:58:55,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:58:55,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:58:55,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2023-11-26 11:58:55,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:58:55,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-26 11:58:55,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2023-11-26 11:58:55,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-26 11:59:01,240 INFO L124 PetriNetUnfolderBase]: 19313/25853 cut-off events.
[2023-11-26 11:59:01,240 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES.
[2023-11-26 11:59:01,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52007 conditions, 25853 events. 19313/25853 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 2039. Compared 168275 event pairs, 8821 based on Foata normal form. 0/18352 useless extension candidates. Maximal degree in co-relation 51995. Up to 25617 conditions per place.
[2023-11-26 11:59:01,555 INFO L140 encePairwiseOnDemand]: 35/48 looper letters, 47 selfloop transitions, 5 changer transitions 0/63 dead transitions.
[2023-11-26 11:59:01,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 251 flow
[2023-11-26 11:59:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:59:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-26 11:59:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions.
[2023-11-26 11:59:01,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666
[2023-11-26 11:59:01,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions.
[2023-11-26 11:59:01,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions.
[2023-11-26 11:59:01,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:59:01,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions.
[2023-11-26 11:59:01,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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)
[2023-11-26 11:59:01,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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)
[2023-11-26 11:59:01,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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)
[2023-11-26 11:59:01,590 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 100 flow. Second operand 3 states and 105 transitions.
[2023-11-26 11:59:01,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 251 flow
[2023-11-26 11:59:01,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 63 transitions, 244 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-26 11:59:01,607 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 143 flow
[2023-11-26 11:59:01,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=143, PETRI_PLACES=56, PETRI_TRANSITIONS=48}
[2023-11-26 11:59:01,616 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places.
[2023-11-26 11:59:01,616 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 143 flow
[2023-11-26 11:59:01,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:01,617 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-26 11:59:01,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:01,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-26 11:59:01,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-26 11:59:01,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:01,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1912637373, now seen corresponding path program 1 times
[2023-11-26 11:59:01,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:01,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95962599]
[2023-11-26 11:59:01,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:01,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:59:01,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:01,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95962599]
[2023-11-26 11:59:01,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95962599] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:01,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:01,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:59:01,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013495379]
[2023-11-26 11:59:01,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:01,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:59:01,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:01,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:59:01,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-26 11:59:01,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2023-11-26 11:59:01,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:01,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-26 11:59:01,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2023-11-26 11:59:01,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-26 11:59:05,225 INFO L124 PetriNetUnfolderBase]: 9919/13399 cut-off events.
[2023-11-26 11:59:05,226 INFO L125 PetriNetUnfolderBase]: For 1084/1084 co-relation queries the response was YES.
[2023-11-26 11:59:05,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32222 conditions, 13399 events. 9919/13399 cut-off events. For 1084/1084 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 80719 event pairs, 3871 based on Foata normal form. 0/10962 useless extension candidates. Maximal degree in co-relation 32211. Up to 13162 conditions per place.
[2023-11-26 11:59:05,357 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 43 selfloop transitions, 5 changer transitions 0/59 dead transitions.
[2023-11-26 11:59:05,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 59 transitions, 259 flow
[2023-11-26 11:59:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:59:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-26 11:59:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions.
[2023-11-26 11:59:05,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334
[2023-11-26 11:59:05,373 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 112 transitions.
[2023-11-26 11:59:05,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 112 transitions.
[2023-11-26 11:59:05,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:59:05,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 112 transitions.
[2023-11-26 11:59:05,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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)
[2023-11-26 11:59:05,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 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)
[2023-11-26 11:59:05,379 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 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)
[2023-11-26 11:59:05,379 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 143 flow. Second operand 4 states and 112 transitions.
[2023-11-26 11:59:05,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 59 transitions, 259 flow
[2023-11-26 11:59:05,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 59 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-26 11:59:05,382 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 132 flow
[2023-11-26 11:59:05,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=54, PETRI_TRANSITIONS=44}
[2023-11-26 11:59:05,384 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places.
[2023-11-26 11:59:05,384 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 132 flow
[2023-11-26 11:59:05,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:05,385 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-26 11:59:05,385 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:05,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-26 11:59:05,385 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-26 11:59:05,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:05,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1912637372, now seen corresponding path program 1 times
[2023-11-26 11:59:05,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:05,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807823991]
[2023-11-26 11:59:05,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:05,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:59:05,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:05,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807823991]
[2023-11-26 11:59:05,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807823991] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:05,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:05,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:59:05,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015015297]
[2023-11-26 11:59:05,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:59:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:05,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:59:05,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-26 11:59:05,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2023-11-26 11:59:05,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:05,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-26 11:59:05,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2023-11-26 11:59:05,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-26 11:59:07,598 INFO L124 PetriNetUnfolderBase]: 6817/9349 cut-off events.
[2023-11-26 11:59:07,599 INFO L125 PetriNetUnfolderBase]: For 1272/1272 co-relation queries the response was YES.
[2023-11-26 11:59:07,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21975 conditions, 9349 events. 6817/9349 cut-off events. For 1272/1272 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 53341 event pairs, 1269 based on Foata normal form. 0/8256 useless extension candidates. Maximal degree in co-relation 21963. Up to 7917 conditions per place.
[2023-11-26 11:59:07,692 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 60 selfloop transitions, 9 changer transitions 0/80 dead transitions.
[2023-11-26 11:59:07,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 80 transitions, 360 flow
[2023-11-26 11:59:07,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:59:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-26 11:59:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 133 transitions.
[2023-11-26 11:59:07,695 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6927083333333334
[2023-11-26 11:59:07,695 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 133 transitions.
[2023-11-26 11:59:07,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 133 transitions.
[2023-11-26 11:59:07,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:59:07,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 133 transitions.
[2023-11-26 11:59:07,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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)
[2023-11-26 11:59:07,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 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)
[2023-11-26 11:59:07,699 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 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)
[2023-11-26 11:59:07,700 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 132 flow. Second operand 4 states and 133 transitions.
[2023-11-26 11:59:07,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 80 transitions, 360 flow
[2023-11-26 11:59:07,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 80 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-26 11:59:07,704 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 184 flow
[2023-11-26 11:59:07,704 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=56, PETRI_TRANSITIONS=48}
[2023-11-26 11:59:07,705 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places.
[2023-11-26 11:59:07,706 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 184 flow
[2023-11-26 11:59:07,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:07,706 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-26 11:59:07,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:07,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-26 11:59:07,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-26 11:59:07,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1713874794, now seen corresponding path program 1 times
[2023-11-26 11:59:07,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:07,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447067892]
[2023-11-26 11:59:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:59:07,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:07,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447067892]
[2023-11-26 11:59:07,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447067892] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:07,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:07,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:59:07,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743673138]
[2023-11-26 11:59:07,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:07,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:59:07,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:59:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:59:07,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2023-11-26 11:59:07,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:07,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-26 11:59:07,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2023-11-26 11:59:07,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-26 11:59:09,811 INFO L124 PetriNetUnfolderBase]: 4729/6517 cut-off events.
[2023-11-26 11:59:09,812 INFO L125 PetriNetUnfolderBase]: For 3204/3204 co-relation queries the response was YES.
[2023-11-26 11:59:09,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17488 conditions, 6517 events. 4729/6517 cut-off events. For 3204/3204 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 35222 event pairs, 265 based on Foata normal form. 0/6312 useless extension candidates. Maximal degree in co-relation 17475. Up to 2833 conditions per place.
[2023-11-26 11:59:09,883 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 71 selfloop transitions, 13 changer transitions 4/99 dead transitions.
[2023-11-26 11:59:09,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 99 transitions, 490 flow
[2023-11-26 11:59:09,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-26 11:59:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-26 11:59:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions.
[2023-11-26 11:59:09,889 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6958333333333333
[2023-11-26 11:59:09,890 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 167 transitions.
[2023-11-26 11:59:09,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 167 transitions.
[2023-11-26 11:59:09,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:59:09,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 167 transitions.
[2023-11-26 11:59:09,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 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)
[2023-11-26 11:59:09,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 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)
[2023-11-26 11:59:09,897 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 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)
[2023-11-26 11:59:09,897 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 184 flow. Second operand 5 states and 167 transitions.
[2023-11-26 11:59:09,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 99 transitions, 490 flow
[2023-11-26 11:59:09,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 99 transitions, 472 flow, removed 4 selfloop flow, removed 2 redundant places.
[2023-11-26 11:59:09,908 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 208 flow
[2023-11-26 11:59:09,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=59, PETRI_TRANSITIONS=48}
[2023-11-26 11:59:09,911 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places.
[2023-11-26 11:59:09,912 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 208 flow
[2023-11-26 11:59:09,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:09,916 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-26 11:59:09,916 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:59:09,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-26 11:59:09,918 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-11-26 11:59:09,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:59:09,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2119616780, now seen corresponding path program 1 times
[2023-11-26 11:59:09,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:59:09,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033666104]
[2023-11-26 11:59:09,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:59:09,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:59:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:59:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:59:10,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:59:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033666104]
[2023-11-26 11:59:10,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033666104] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:59:10,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:59:10,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-26 11:59:10,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748569171]
[2023-11-26 11:59:10,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:59:10,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-26 11:59:10,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:59:10,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-26 11:59:10,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:59:10,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 48
[2023-11-26 11:59:10,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:10,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-26 11:59:10,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 48
[2023-11-26 11:59:10,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-26 11:59:11,805 INFO L124 PetriNetUnfolderBase]: 3913/5413 cut-off events.
[2023-11-26 11:59:11,806 INFO L125 PetriNetUnfolderBase]: For 5892/5892 co-relation queries the response was YES.
[2023-11-26 11:59:11,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15305 conditions, 5413 events. 3913/5413 cut-off events. For 5892/5892 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 29593 event pairs, 121 based on Foata normal form. 192/5592 useless extension candidates. Maximal degree in co-relation 15291. Up to 2252 conditions per place.
[2023-11-26 11:59:11,838 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions.
[2023-11-26 11:59:11,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 91 transitions, 442 flow
[2023-11-26 11:59:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 11:59:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-26 11:59:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 174 transitions.
[2023-11-26 11:59:11,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6041666666666666
[2023-11-26 11:59:11,841 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 174 transitions.
[2023-11-26 11:59:11,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 174 transitions.
[2023-11-26 11:59:11,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:59:11,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 174 transitions.
[2023-11-26 11:59:11,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 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)
[2023-11-26 11:59:11,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 48.0) internal successors, (336), 7 states have internal predecessors, (336), 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)
[2023-11-26 11:59:11,844 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 48.0) internal successors, (336), 7 states have internal predecessors, (336), 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)
[2023-11-26 11:59:11,844 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 208 flow. Second operand 6 states and 174 transitions.
[2023-11-26 11:59:11,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 91 transitions, 442 flow
[2023-11-26 11:59:11,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 91 transitions, 387 flow, removed 8 selfloop flow, removed 6 redundant places.
[2023-11-26 11:59:11,934 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow
[2023-11-26 11:59:11,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0}
[2023-11-26 11:59:11,935 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places.
[2023-11-26 11:59:11,935 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow
[2023-11-26 11:59:11,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:59:11,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2023-11-26 11:59:11,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2023-11-26 11:59:11,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2023-11-26 11:59:11,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2023-11-26 11:59:11,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2023-11-26 11:59:11,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2023-11-26 11:59:11,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2023-11-26 11:59:11,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2023-11-26 11:59:11,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2023-11-26 11:59:11,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2023-11-26 11:59:11,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2023-11-26 11:59:11,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2023-11-26 11:59:11,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2023-11-26 11:59:11,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2023-11-26 11:59:11,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2023-11-26 11:59:11,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2023-11-26 11:59:11,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2023-11-26 11:59:11,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2023-11-26 11:59:11,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2023-11-26 11:59:11,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2023-11-26 11:59:11,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-26 11:59:11,945 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-26 11:59:11,952 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-26 11:59:11,953 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 11:59:11,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:11 BasicIcfg
[2023-11-26 11:59:11,960 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 11:59:11,960 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:59:11,960 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:59:11,961 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 11:59:11,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:54" (3/4) ...
[2023-11-26 11:59:11,963 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 11:59:11,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-26 11:59:11,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-26 11:59:11,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-11-26 11:59:11,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2023-11-26 11:59:11,975 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges
[2023-11-26 11:59:11,976 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2023-11-26 11:59:11,976 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-26 11:59:11,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 11:59:12,083 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 11:59:12,084 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 11:59:12,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:59:12,085 INFO L158 Benchmark]: Toolchain (without parser) took 19777.27ms. Allocated memory was 138.4MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 90.5MB in the beginning and 1.0GB in the end (delta: -914.4MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,086 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:59:12,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.22ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 64.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.98ms. Allocated memory is still 138.4MB. Free memory was 64.8MB in the beginning and 107.3MB in the end (delta: -42.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,087 INFO L158 Benchmark]: Boogie Preprocessor took 110.21ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 107.3MB in the beginning and 140.6MB in the end (delta: -33.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,088 INFO L158 Benchmark]: RCFGBuilder took 1401.08ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 100.0MB in the end (delta: 40.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,088 INFO L158 Benchmark]: TraceAbstraction took 17096.72ms. Allocated memory was 172.0MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 99.0MB in the beginning and 1.0GB in the end (delta: -911.1MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,089 INFO L158 Benchmark]: Witness Printer took 124.01ms. Allocated memory is still 2.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-26 11:59:12,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.47ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 938.22ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 64.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 99.98ms. Allocated memory is still 138.4MB. Free memory was 64.8MB in the beginning and 107.3MB in the end (delta: -42.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 110.21ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 107.3MB in the beginning and 140.6MB in the end (delta: -33.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB.
* RCFGBuilder took 1401.08ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 100.0MB in the end (delta: 40.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 17096.72ms. Allocated memory was 172.0MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 99.0MB in the beginning and 1.0GB in the end (delta: -911.1MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB.
* Witness Printer took 124.01ms. Allocated memory is still 2.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 792]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 792]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 804]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 804]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 832]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 832]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 849]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 849]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 87 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 2 mSDtfsCounter, 448 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-26 11:59:12,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd7e655-f7be-4ebb-95c5-e436ed2a4b49/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE