./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe020_rmo.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX --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 d52a8576f41904f21a1a217cd81ed2d36ac8928d5a02d745a0c93a101e2535cf
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:11:15,988 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:11:16,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 19:11:16,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:11:16,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:11:16,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:11:16,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:11:16,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:11:16,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:11:16,159 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:11:16,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:11:16,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:11:16,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:11:16,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:11:16,164 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:11:16,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:11:16,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:11:16,166 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 19:11:16,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:11:16,170 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 19:11:16,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:11:16,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:11:16,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:11:16,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:11:16,173 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:11:16,173 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 19:11:16,174 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 19:11:16,174 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 19:11:16,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:11:16,177 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:11:16,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:11:16,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:11:16,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:11:16,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:11:16,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:11:16,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:11:16,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:11:16,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:11:16,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:11:16,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:11:16,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:11:16,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:11:16,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:11:16,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:11:16,185 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_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52a8576f41904f21a1a217cd81ed2d36ac8928d5a02d745a0c93a101e2535cf
[2024-11-08 19:11:16,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:11:16,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:11:16,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:11:16,589 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:11:16,590 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:11:16,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/safe020_rmo.i
Unable to find full path for "g++"
[2024-11-08 19:11:18,743 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:11:19,090 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:11:19,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/sv-benchmarks/c/pthread-wmm/safe020_rmo.i
[2024-11-08 19:11:19,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/data/f9469b19c/a373ba0328e546d9802b0a19ef566b5c/FLAGb2a5f8ce7
[2024-11-08 19:11:19,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/data/f9469b19c/a373ba0328e546d9802b0a19ef566b5c
[2024-11-08 19:11:19,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:11:19,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:11:19,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:11:19,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:11:19,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:11:19,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:11:19" (1/1) ...
[2024-11-08 19:11:19,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5949ea43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:19, skipping insertion in model container
[2024-11-08 19:11:19,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:11:19" (1/1) ...
[2024-11-08 19:11:19,382 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:11:19,871 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:11:19,890 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:11:19,973 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:11:20,010 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:11:20,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20 WrapperNode
[2024-11-08 19:11:20,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:11:20,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:11:20,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:11:20,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:11:20,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,071 INFO L138 Inliner]: procedures = 175, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126
[2024-11-08 19:11:20,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:11:20,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:11:20,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:11:20,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:11:20,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,116 INFO L175 MemorySlicer]: Split 23 memory accesses to 2 slices as follows [2, 21]. 91 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 8 writes are split as follows [0, 8].
[2024-11-08 19:11:20,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:11:20,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:11:20,147 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:11:20,147 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:11:20,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (1/1) ...
[2024-11-08 19:11:20,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:11:20,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:11:20,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:11:20,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:11:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 19:11:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 19:11:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 19:11:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 19:11:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 19:11:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:11:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 19:11:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 19:11:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 19:11:20,239 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 19:11:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 19:11:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 19:11:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:11:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 19:11:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 19:11:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:11:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:11:20,243 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 19:11:20,466 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:11:20,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:11:21,069 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 19:11:21,069 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:11:21,626 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:11:21,626 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 19:11:21,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:11:21 BoogieIcfgContainer
[2024-11-08 19:11:21,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:11:21,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:11:21,629 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:11:21,633 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:11:21,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:11:19" (1/3) ...
[2024-11-08 19:11:21,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383ab259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:11:21, skipping insertion in model container
[2024-11-08 19:11:21,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:20" (2/3) ...
[2024-11-08 19:11:21,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383ab259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:11:21, skipping insertion in model container
[2024-11-08 19:11:21,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:11:21" (3/3) ...
[2024-11-08 19:11:21,636 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_rmo.i
[2024-11-08 19:11:21,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:11:21,657 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-08 19:11:21,657 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 19:11:21,789 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 19:11:21,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow
[2024-11-08 19:11:21,886 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events.
[2024-11-08 19:11:21,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 19:11:21,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 84 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-08 19:11:21,889 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow
[2024-11-08 19:11:21,894 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow
[2024-11-08 19:11:21,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:11:21,916 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;@1f6198d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:11:21,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-08 19:11:21,928 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 19:11:21,928 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events.
[2024-11-08 19:11:21,929 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 19:11:21,929 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:11:21,930 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:11:21,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:11:21,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:11:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash 964337863, now seen corresponding path program 1 times
[2024-11-08 19:11:21,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:11:21,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564941629]
[2024-11-08 19:11:21,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:11:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:11:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:11:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:11:22,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:11:22,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564941629]
[2024-11-08 19:11:22,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564941629] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:11:22,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:11:22,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 19:11:22,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908520447]
[2024-11-08 19:11:22,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:11:22,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:11:22,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:11:22,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:11:22,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:11:22,506 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39
[2024-11-08 19:11:22,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:22,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:11:22,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39
[2024-11-08 19:11:22,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:11:23,867 INFO L124 PetriNetUnfolderBase]: 2899/4262 cut-off events.
[2024-11-08 19:11:23,867 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES.
[2024-11-08 19:11:23,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8569 conditions, 4262 events. 2899/4262 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 24421 event pairs, 1001 based on Foata normal form. 0/3413 useless extension candidates. Maximal degree in co-relation 8558. Up to 3915 conditions per place.
[2024-11-08 19:11:23,916 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 41 selfloop transitions, 4 changer transitions 0/53 dead transitions.
[2024-11-08 19:11:23,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 53 transitions, 211 flow
[2024-11-08 19:11:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:11:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 19:11:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions.
[2024-11-08 19:11:23,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.717948717948718
[2024-11-08 19:11:23,938 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 84 transitions.
[2024-11-08 19:11:23,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 53 transitions, 211 flow
[2024-11-08 19:11:23,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 53 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 19:11:23,950 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow
[2024-11-08 19:11:23,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39}
[2024-11-08 19:11:23,959 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places.
[2024-11-08 19:11:23,960 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow
[2024-11-08 19:11:23,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:23,961 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:11:23,961 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:11:23,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:11:23,962 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:11:23,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:11:23,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1312112882, now seen corresponding path program 1 times
[2024-11-08 19:11:23,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:11:23,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405137339]
[2024-11-08 19:11:23,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:11:23,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:11:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:11:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:11:24,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:11:24,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405137339]
[2024-11-08 19:11:24,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405137339] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:11:24,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:11:24,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:11:24,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313681289]
[2024-11-08 19:11:24,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:11:24,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:11:24,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:11:24,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:11:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:11:24,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39
[2024-11-08 19:11:24,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:24,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:11:24,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39
[2024-11-08 19:11:24,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:11:25,291 INFO L124 PetriNetUnfolderBase]: 2055/3038 cut-off events.
[2024-11-08 19:11:25,292 INFO L125 PetriNetUnfolderBase]: For 248/248 co-relation queries the response was YES.
[2024-11-08 19:11:25,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7077 conditions, 3038 events. 2055/3038 cut-off events. For 248/248 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 16699 event pairs, 631 based on Foata normal form. 0/2677 useless extension candidates. Maximal degree in co-relation 7066. Up to 2690 conditions per place.
[2024-11-08 19:11:25,317 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 38 selfloop transitions, 4 changer transitions 0/50 dead transitions.
[2024-11-08 19:11:25,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 50 transitions, 218 flow
[2024-11-08 19:11:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:11:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:11:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions.
[2024-11-08 19:11:25,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5705128205128205
[2024-11-08 19:11:25,323 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 89 transitions.
[2024-11-08 19:11:25,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 50 transitions, 218 flow
[2024-11-08 19:11:25,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 50 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 19:11:25,326 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow
[2024-11-08 19:11:25,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36}
[2024-11-08 19:11:25,329 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places.
[2024-11-08 19:11:25,330 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow
[2024-11-08 19:11:25,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:25,330 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:11:25,330 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:11:25,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:11:25,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:11:25,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:11:25,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1312112881, now seen corresponding path program 1 times
[2024-11-08 19:11:25,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:11:25,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385439734]
[2024-11-08 19:11:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:11:25,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:11:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:11:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:11:25,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:11:25,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385439734]
[2024-11-08 19:11:25,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385439734] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:11:25,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:11:25,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:11:25,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155676092]
[2024-11-08 19:11:25,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:11:25,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:11:25,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:11:25,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:11:25,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:11:25,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39
[2024-11-08 19:11:25,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:25,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:11:25,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39
[2024-11-08 19:11:25,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:11:26,365 INFO L124 PetriNetUnfolderBase]: 1511/2258 cut-off events.
[2024-11-08 19:11:26,366 INFO L125 PetriNetUnfolderBase]: For 498/498 co-relation queries the response was YES.
[2024-11-08 19:11:26,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5166 conditions, 2258 events. 1511/2258 cut-off events. For 498/498 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 11885 event pairs, 257 based on Foata normal form. 0/2169 useless extension candidates. Maximal degree in co-relation 5154. Up to 1077 conditions per place.
[2024-11-08 19:11:26,382 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 50 selfloop transitions, 7 changer transitions 3/68 dead transitions.
[2024-11-08 19:11:26,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 68 transitions, 302 flow
[2024-11-08 19:11:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:11:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:11:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions.
[2024-11-08 19:11:26,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6858974358974359
[2024-11-08 19:11:26,385 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 107 transitions.
[2024-11-08 19:11:26,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 68 transitions, 302 flow
[2024-11-08 19:11:26,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 68 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 19:11:26,388 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow
[2024-11-08 19:11:26,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36}
[2024-11-08 19:11:26,389 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places.
[2024-11-08 19:11:26,389 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow
[2024-11-08 19:11:26,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:26,390 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:11:26,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:11:26,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 19:11:26,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:11:26,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:11:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1099953112, now seen corresponding path program 1 times
[2024-11-08 19:11:26,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:11:26,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773422520]
[2024-11-08 19:11:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:11:26,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:11:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:11:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:11:26,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:11:26,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773422520]
[2024-11-08 19:11:26,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773422520] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:11:26,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:11:26,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:11:26,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696032048]
[2024-11-08 19:11:26,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:11:26,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:11:26,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:11:26,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:11:26,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:11:26,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39
[2024-11-08 19:11:26,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:26,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:11:26,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39
[2024-11-08 19:11:26,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:11:27,256 INFO L124 PetriNetUnfolderBase]: 1243/1870 cut-off events.
[2024-11-08 19:11:27,257 INFO L125 PetriNetUnfolderBase]: For 1158/1158 co-relation queries the response was YES.
[2024-11-08 19:11:27,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4785 conditions, 1870 events. 1243/1870 cut-off events. For 1158/1158 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10147 event pairs, 197 based on Foata normal form. 72/1925 useless extension candidates. Maximal degree in co-relation 4772. Up to 834 conditions per place.
[2024-11-08 19:11:27,266 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions.
[2024-11-08 19:11:27,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 62 transitions, 281 flow
[2024-11-08 19:11:27,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:11:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 19:11:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions.
[2024-11-08 19:11:27,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5743589743589743
[2024-11-08 19:11:27,268 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 112 transitions.
[2024-11-08 19:11:27,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 62 transitions, 281 flow
[2024-11-08 19:11:27,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 62 transitions, 257 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-08 19:11:27,272 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow
[2024-11-08 19:11:27,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0}
[2024-11-08 19:11:27,273 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places.
[2024-11-08 19:11:27,274 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow
[2024-11-08 19:11:27,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:11:27,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-11-08 19:11:27,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-11-08 19:11:27,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-11-08 19:11:27,281 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-11-08 19:11:27,281 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-11-08 19:11:27,281 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-11-08 19:11:27,281 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-08 19:11:27,282 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-11-08 19:11:27,282 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-11-08 19:11:27,282 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-11-08 19:11:27,282 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-11-08 19:11:27,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-11-08 19:11:27,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-11-08 19:11:27,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-11-08 19:11:27,284 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-11-08 19:11:27,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 19:11:27,284 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 19:11:27,294 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 19:11:27,295 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:11:27,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:11:27 BasicIcfg
[2024-11-08 19:11:27,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:11:27,302 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:11:27,302 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:11:27,303 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 19:11:27,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:11:21" (3/4) ...
[2024-11-08 19:11:27,305 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 19:11:27,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-08 19:11:27,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-08 19:11:27,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-08 19:11:27,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges
[2024-11-08 19:11:27,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-08 19:11:27,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 19:11:27,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 19:11:27,436 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:11:27,437 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 19:11:27,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:11:27,438 INFO L158 Benchmark]: Toolchain (without parser) took 8122.49ms. Allocated memory was 159.4MB in the beginning and 335.5MB in the end (delta: 176.2MB). Free memory was 125.6MB in the beginning and 89.1MB in the end (delta: 36.5MB). Peak memory consumption was 215.0MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,439 INFO L158 Benchmark]: CDTParser took 1.63ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:11:27,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.48ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 97.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,440 INFO L158 Benchmark]: Boogie Preprocessor took 73.50ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 91.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,440 INFO L158 Benchmark]: RCFGBuilder took 1480.86ms. Allocated memory is still 159.4MB. Free memory was 91.2MB in the beginning and 64.1MB in the end (delta: 27.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,441 INFO L158 Benchmark]: TraceAbstraction took 5672.64ms. Allocated memory was 159.4MB in the beginning and 335.5MB in the end (delta: 176.2MB). Free memory was 63.3MB in the beginning and 94.3MB in the end (delta: -31.1MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,441 INFO L158 Benchmark]: Witness Printer took 135.14ms. Allocated memory is still 335.5MB. Free memory was 94.3MB in the beginning and 89.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 19:11:27,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.63ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 690.48ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 97.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 59.55ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 73.50ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 91.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1480.86ms. Allocated memory is still 159.4MB. Free memory was 91.2MB in the beginning and 64.1MB in the end (delta: 27.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 5672.64ms. Allocated memory was 159.4MB in the beginning and 335.5MB in the end (delta: 176.2MB). Free memory was 63.3MB in the beginning and 94.3MB in the end (delta: -31.1MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB.
* Witness Printer took 135.14ms. Allocated memory is still 335.5MB. Free memory was 94.3MB in the beginning and 89.1MB 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: 782]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 782]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 799]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 799]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 834]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 834]: 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, 70 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: 5.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 280 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=127occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 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
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 19:11:27,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3924fb-aa97-4eef-800b-5ac2de754a97/bin/uautomizer-verify-jihMAELWvX/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