./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:21:00,644 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:21:00,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 18:21:00,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:21:00,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:21:00,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:21:00,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:21:00,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:21:00,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:21:00,796 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:21:00,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:21:00,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:21:00,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:21:00,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:21:00,798 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:21:00,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:21:00,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:21:00,799 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:21:00,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:21:00,799 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:21:00,800 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:21:00,801 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:21:00,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:21:00,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:21:00,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:21:00,802 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
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 -> dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af
[2024-11-23 18:21:01,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:21:01,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:21:01,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:21:01,168 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:21:01,168 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:21:01,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c
[2024-11-23 18:21:04,260 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/data/d6d4ef449/5d6750cbe5bb461986355b123e3030ee/FLAGe456a5592
[2024-11-23 18:21:04,555 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:21:04,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c
[2024-11-23 18:21:04,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/data/d6d4ef449/5d6750cbe5bb461986355b123e3030ee/FLAGe456a5592
[2024-11-23 18:21:04,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/data/d6d4ef449/5d6750cbe5bb461986355b123e3030ee
[2024-11-23 18:21:04,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:21:04,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:21:04,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:21:04,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:21:04,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:21:04,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:04" (1/1) ...
[2024-11-23 18:21:04,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2737e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:04, skipping insertion in model container
[2024-11-23 18:21:04,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:04" (1/1) ...
[2024-11-23 18:21:04,868 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:21:05,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2525,2538]
[2024-11-23 18:21:05,086 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:21:05,098 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:21:05,122 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2525,2538]
[2024-11-23 18:21:05,125 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:21:05,139 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:21:05,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05 WrapperNode
[2024-11-23 18:21:05,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:21:05,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:21:05,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:21:05,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:21:05,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,172 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87
[2024-11-23 18:21:05,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:21:05,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:21:05,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:21:05,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:21:05,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,207 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-23 18:21:05,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,216 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:21:05,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:21:05,226 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:21:05,226 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:21:05,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (1/1) ...
[2024-11-23 18:21:05,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:21:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:21:05,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:21:05,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:21:05,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:21:05,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-23 18:21:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-23 18:21:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-23 18:21:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-23 18:21:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-23 18:21:05,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-23 18:21:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:21:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 18:21:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 18:21:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 18:21:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-23 18:21:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-23 18:21:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 18:21:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:21:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:21:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 18:21:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 18:21:05,305 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 18:21:05,432 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:21:05,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:21:05,748 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 18:21:05,748 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:21:05,989 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:21:05,989 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-23 18:21:05,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:05 BoogieIcfgContainer
[2024-11-23 18:21:05,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:21:05,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:21:05,993 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:21:05,998 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:21:05,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:21:04" (1/3) ...
[2024-11-23 18:21:05,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426238f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:05, skipping insertion in model container
[2024-11-23 18:21:05,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:05" (2/3) ...
[2024-11-23 18:21:05,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426238f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:05, skipping insertion in model container
[2024-11-23 18:21:05,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:05" (3/3) ...
[2024-11-23 18:21:06,001 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c
[2024-11-23 18:21:06,019 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:21:06,020 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-min-le-max.wvr.c that has 4 procedures, 29 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-11-23 18:21:06,020 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 18:21:06,079 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 18:21:06,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 83 flow
[2024-11-23 18:21:06,204 INFO L124 PetriNetUnfolderBase]: 3/28 cut-off events.
[2024-11-23 18:21:06,206 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-23 18:21:06,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 3/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place.
[2024-11-23 18:21:06,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 31 transitions, 83 flow
[2024-11-23 18:21:06,215 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 27 transitions, 72 flow
[2024-11-23 18:21:06,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:21:06,236 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;@b49836b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:21:06,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 18:21:06,248 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 18:21:06,248 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events.
[2024-11-23 18:21:06,248 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-23 18:21:06,249 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:21:06,249 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:21:06,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 18:21:06,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:21:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1656233335, now seen corresponding path program 1 times
[2024-11-23 18:21:06,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:21:06,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370836288]
[2024-11-23 18:21:06,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:21:06,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:21:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:21:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:21:06,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:21:06,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370836288]
[2024-11-23 18:21:06,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370836288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:21:06,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:21:06,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:21:06,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471155010]
[2024-11-23 18:21:06,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:21:06,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:21:06,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:21:06,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:21:06,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:21:06,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 31
[2024-11-23 18:21:06,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:06,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:21:06,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 31
[2024-11-23 18:21:06,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:21:07,081 INFO L124 PetriNetUnfolderBase]: 317/538 cut-off events.
[2024-11-23 18:21:07,081 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES.
[2024-11-23 18:21:07,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1103 conditions, 538 events. 317/538 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2302 event pairs, 143 based on Foata normal form. 26/531 useless extension candidates. Maximal degree in co-relation 1001. Up to 331 conditions per place.
[2024-11-23 18:21:07,089 INFO L140 encePairwiseOnDemand]: 27/31 looper letters, 30 selfloop transitions, 3 changer transitions 0/38 dead transitions.
[2024-11-23 18:21:07,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 166 flow
[2024-11-23 18:21:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:21:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:21:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions.
[2024-11-23 18:21:07,106 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.532258064516129
[2024-11-23 18:21:07,107 INFO L175 Difference]: Start difference. First operand has 34 places, 27 transitions, 72 flow. Second operand 4 states and 66 transitions.
[2024-11-23 18:21:07,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 166 flow
[2024-11-23 18:21:07,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 38 transitions, 150 flow, removed 0 selfloop flow, removed 6 redundant places.
[2024-11-23 18:21:07,116 INFO L231 Difference]: Finished difference. Result has 32 places, 28 transitions, 74 flow
[2024-11-23 18:21:07,119 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=32, PETRI_TRANSITIONS=28}
[2024-11-23 18:21:07,122 INFO L279 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places.
[2024-11-23 18:21:07,122 INFO L471 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 74 flow
[2024-11-23 18:21:07,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:07,123 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:21:07,123 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:21:07,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:21:07,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 18:21:07,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:21:07,124 INFO L85 PathProgramCache]: Analyzing trace with hash 547444524, now seen corresponding path program 1 times
[2024-11-23 18:21:07,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:21:07,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793570080]
[2024-11-23 18:21:07,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:21:07,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:21:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:21:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:21:07,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:21:07,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793570080]
[2024-11-23 18:21:07,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793570080] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:21:07,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:21:07,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:21:07,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493807969]
[2024-11-23 18:21:07,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:21:07,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:21:07,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:21:07,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:21:07,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:21:07,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 31
[2024-11-23 18:21:07,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:07,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:21:07,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 31
[2024-11-23 18:21:07,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:21:07,626 INFO L124 PetriNetUnfolderBase]: 465/787 cut-off events.
[2024-11-23 18:21:07,626 INFO L125 PetriNetUnfolderBase]: For 168/168 co-relation queries the response was YES.
[2024-11-23 18:21:07,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1736 conditions, 787 events. 465/787 cut-off events. For 168/168 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3708 event pairs, 201 based on Foata normal form. 38/793 useless extension candidates. Maximal degree in co-relation 317. Up to 485 conditions per place.
[2024-11-23 18:21:07,642 INFO L140 encePairwiseOnDemand]: 27/31 looper letters, 33 selfloop transitions, 3 changer transitions 0/41 dead transitions.
[2024-11-23 18:21:07,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 184 flow
[2024-11-23 18:21:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:21:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:21:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions.
[2024-11-23 18:21:07,644 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5403225806451613
[2024-11-23 18:21:07,644 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 74 flow. Second operand 4 states and 67 transitions.
[2024-11-23 18:21:07,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 184 flow
[2024-11-23 18:21:07,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 41 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:21:07,648 INFO L231 Difference]: Finished difference. Result has 34 places, 29 transitions, 84 flow
[2024-11-23 18:21:07,648 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=34, PETRI_TRANSITIONS=29}
[2024-11-23 18:21:07,649 INFO L279 CegarLoopForPetriNet]: 34 programPoint places, 0 predicate places.
[2024-11-23 18:21:07,649 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 29 transitions, 84 flow
[2024-11-23 18:21:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:07,649 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:21:07,649 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:21:07,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:21:07,650 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 18:21:07,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:21:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash -154090774, now seen corresponding path program 1 times
[2024-11-23 18:21:07,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:21:07,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777360852]
[2024-11-23 18:21:07,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:21:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:21:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:21:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:21:07,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:21:07,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777360852]
[2024-11-23 18:21:07,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777360852] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:21:07,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:21:07,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:21:07,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731946533]
[2024-11-23 18:21:07,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:21:07,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:21:07,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:21:07,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:21:07,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:21:07,882 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 31
[2024-11-23 18:21:07,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 29 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:07,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:21:07,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 31
[2024-11-23 18:21:07,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:21:08,074 INFO L124 PetriNetUnfolderBase]: 465/786 cut-off events.
[2024-11-23 18:21:08,074 INFO L125 PetriNetUnfolderBase]: For 276/276 co-relation queries the response was YES.
[2024-11-23 18:21:08,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 786 events. 465/786 cut-off events. For 276/276 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3745 event pairs, 388 based on Foata normal form. 1/758 useless extension candidates. Maximal degree in co-relation 455. Up to 712 conditions per place.
[2024-11-23 18:21:08,082 INFO L140 encePairwiseOnDemand]: 28/31 looper letters, 23 selfloop transitions, 2 changer transitions 0/30 dead transitions.
[2024-11-23 18:21:08,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 30 transitions, 136 flow
[2024-11-23 18:21:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:21:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:21:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions.
[2024-11-23 18:21:08,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5161290322580645
[2024-11-23 18:21:08,086 INFO L175 Difference]: Start difference. First operand has 34 places, 29 transitions, 84 flow. Second operand 3 states and 48 transitions.
[2024-11-23 18:21:08,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 30 transitions, 136 flow
[2024-11-23 18:21:08,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:21:08,089 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 92 flow
[2024-11-23 18:21:08,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=35, PETRI_TRANSITIONS=30}
[2024-11-23 18:21:08,092 INFO L279 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places.
[2024-11-23 18:21:08,093 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 92 flow
[2024-11-23 18:21:08,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:08,093 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:21:08,093 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:21:08,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:21:08,093 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 18:21:08,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:21:08,094 INFO L85 PathProgramCache]: Analyzing trace with hash -395696799, now seen corresponding path program 1 times
[2024-11-23 18:21:08,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:21:08,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528934957]
[2024-11-23 18:21:08,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:21:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:21:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:21:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 18:21:08,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:21:08,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528934957]
[2024-11-23 18:21:08,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528934957] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:21:08,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:21:08,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 18:21:08,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407599656]
[2024-11-23 18:21:08,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:21:08,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:21:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:21:08,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:21:08,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:21:08,796 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 31
[2024-11-23 18:21:08,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 92 flow. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:08,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:21:08,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 31
[2024-11-23 18:21:08,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:21:09,172 INFO L124 PetriNetUnfolderBase]: 658/1024 cut-off events.
[2024-11-23 18:21:09,172 INFO L125 PetriNetUnfolderBase]: For 317/317 co-relation queries the response was YES.
[2024-11-23 18:21:09,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1024 events. 658/1024 cut-off events. For 317/317 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4203 event pairs, 51 based on Foata normal form. 1/1017 useless extension candidates. Maximal degree in co-relation 2452. Up to 481 conditions per place.
[2024-11-23 18:21:09,175 INFO L140 encePairwiseOnDemand]: 25/31 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions.
[2024-11-23 18:21:09,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 71 transitions, 348 flow
[2024-11-23 18:21:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 18:21:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-23 18:21:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 120 transitions.
[2024-11-23 18:21:09,179 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4838709677419355
[2024-11-23 18:21:09,179 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 92 flow. Second operand 8 states and 120 transitions.
[2024-11-23 18:21:09,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 71 transitions, 348 flow
[2024-11-23 18:21:09,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 71 transitions, 344 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-11-23 18:21:09,184 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow
[2024-11-23 18:21:09,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0}
[2024-11-23 18:21:09,185 INFO L279 CegarLoopForPetriNet]: 34 programPoint places, 5 predicate places.
[2024-11-23 18:21:09,185 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow
[2024-11-23 18:21:09,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:21:09,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2024-11-23 18:21:09,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-11-23 18:21:09,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-23 18:21:09,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-11-23 18:21:09,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 18:21:09,190 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 18:21:09,195 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 18:21:09,195 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:21:09,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:21:09 BasicIcfg
[2024-11-23 18:21:09,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:21:09,203 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:21:09,203 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:21:09,203 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:21:09,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:05" (3/4) ...
[2024-11-23 18:21:09,206 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 18:21:09,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-23 18:21:09,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-23 18:21:09,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-11-23 18:21:09,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges
[2024-11-23 18:21:09,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-11-23 18:21:09,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-11-23 18:21:09,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-23 18:21:09,303 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:21:09,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:21:09,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:21:09,305 INFO L158 Benchmark]: Toolchain (without parser) took 4466.55ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.5MB in the beginning and 310.7MB in the end (delta: -216.2MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
[2024-11-23 18:21:09,306 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:21:09,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.38ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:21:09,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.54ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:21:09,307 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:21:09,307 INFO L158 Benchmark]: RCFGBuilder took 764.36ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 45.7MB in the end (delta: 33.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 18:21:09,307 INFO L158 Benchmark]: TraceAbstraction took 3208.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.0MB in the beginning and 314.9MB in the end (delta: -269.9MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB.
[2024-11-23 18:21:09,307 INFO L158 Benchmark]: Witness Printer took 100.95ms. Allocated memory is still 352.3MB. Free memory was 314.9MB in the beginning and 310.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:21:09,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 300.38ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 32.54ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.43ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 764.36ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 45.7MB in the end (delta: 33.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 3208.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.0MB in the beginning and 314.9MB in the end (delta: -269.9MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB.
* Witness Printer took 100.95ms. Allocated memory is still 352.3MB. Free memory was 314.9MB in the beginning and 310.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 98]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 46 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 18:21:09,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9808f636-d90d-495b-b89e-0be79771daac/bin/uautomizer-verify-LYvppIcaGC/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