./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-68.i --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_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/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_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/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_a6356209-edca-46af-803f-5b0f152249ae/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 b5b0f5fae8af0b6a4299ddfdd04b2ac5af170ed252cb37fd34309e186341372f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:50:40,969 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:50:41,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 01:50:41,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:50:41,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:50:41,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:50:41,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:50:41,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:50:41,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:50:41,119 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:50:41,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:50:41,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:50:41,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:50:41,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:50:41,120 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:50:41,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:50:41,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:50:41,123 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:50:41,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:50:41,124 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:50:41,125 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:50:41,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:50:41,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:50:41,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:50:41,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:50:41,126 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:50:41,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:50:41,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:50:41,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:50:41,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:50:41,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:50:41,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:50:41,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:50:41,128 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_a6356209-edca-46af-803f-5b0f152249ae/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 -> b5b0f5fae8af0b6a4299ddfdd04b2ac5af170ed252cb37fd34309e186341372f
[2024-11-24 01:50:41,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:50:41,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:50:41,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:50:41,501 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:50:41,502 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:50:41,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-68.i
[2024-11-24 01:50:44,748 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/data/8066f1e25/529a24acd4e243bbbd732ad8192882a3/FLAG684ed42e2
[2024-11-24 01:50:45,027 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:50:45,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-68.i
[2024-11-24 01:50:45,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/data/8066f1e25/529a24acd4e243bbbd732ad8192882a3/FLAG684ed42e2
[2024-11-24 01:50:45,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/data/8066f1e25/529a24acd4e243bbbd732ad8192882a3
[2024-11-24 01:50:45,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:50:45,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:50:45,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:50:45,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:50:45,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:50:45,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34eb0ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45, skipping insertion in model container
[2024-11-24 01:50:45,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,091 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:50:45,266 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_a6356209-edca-46af-803f-5b0f152249ae/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-68.i[915,928]
[2024-11-24 01:50:45,311 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:50:45,324 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:50:45,338 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_a6356209-edca-46af-803f-5b0f152249ae/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-68.i[915,928]
[2024-11-24 01:50:45,364 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:50:45,386 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:50:45,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45 WrapperNode
[2024-11-24 01:50:45,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:50:45,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:50:45,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:50:45,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:50:45,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,450 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83
[2024-11-24 01:50:45,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:50:45,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:50:45,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:50:45,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:50:45,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,487 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:50:45,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,492 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:50:45,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:50:45,510 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:50:45,510 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:50:45,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (1/1) ...
[2024-11-24 01:50:45,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:50:45,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:50:45,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:50:45,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:50:45,663 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:50:45,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:50:45,931 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-24 01:50:45,931 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:50:45,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:50:45,943 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:50:45,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:45 BoogieIcfgContainer
[2024-11-24 01:50:45,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:50:45,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:50:45,947 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:50:45,953 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:50:45,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:50:45" (1/3) ...
[2024-11-24 01:50:45,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147930f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:50:45, skipping insertion in model container
[2024-11-24 01:50:45,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:45" (2/3) ...
[2024-11-24 01:50:45,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147930f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:50:45, skipping insertion in model container
[2024-11-24 01:50:45,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:45" (3/3) ...
[2024-11-24 01:50:45,957 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-68.i
[2024-11-24 01:50:45,976 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:50:45,977 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-68.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:50:46,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:50:46,056 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;@14cc10ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:50:46,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:50:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-24 01:50:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-24 01:50:46,069 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:50:46,070 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1]
[2024-11-24 01:50:46,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:50:46,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:50:46,076 INFO L85 PathProgramCache]: Analyzing trace with hash 292702727, now seen corresponding path program 1 times
[2024-11-24 01:50:46,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:50:46,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213035512]
[2024-11-24 01:50:46,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:50:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:50:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:50:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2024-11-24 01:50:46,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:50:46,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213035512]
[2024-11-24 01:50:46,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213035512] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:50:46,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243318851]
[2024-11-24 01:50:46,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:50:46,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:50:46,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:50:46,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:50:46,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:50:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:50:46,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 01:50:46,509 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:50:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2024-11-24 01:50:46,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:50:46,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243318851] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:50:46,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:50:46,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 01:50:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343750547]
[2024-11-24 01:50:46,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:50:46,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 01:50:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:50:46,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 01:50:46,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:50:46,564 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-24 01:50:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:50:46,588 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions.
[2024-11-24 01:50:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 01:50:46,592 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46
[2024-11-24 01:50:46,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:50:46,598 INFO L225 Difference]: With dead ends: 67
[2024-11-24 01:50:46,598 INFO L226 Difference]: Without dead ends: 32
[2024-11-24 01:50:46,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:50:46,607 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:50:46,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:50:46,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-24 01:50:46,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-11-24 01:50:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-24 01:50:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions.
[2024-11-24 01:50:46,676 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 46
[2024-11-24 01:50:46,676 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:50:46,677 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions.
[2024-11-24 01:50:46,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-24 01:50:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions.
[2024-11-24 01:50:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-24 01:50:46,680 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:50:46,680 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1]
[2024-11-24 01:50:46,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:50:46,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 01:50:46,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:50:46,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:50:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1148192967, now seen corresponding path program 1 times
[2024-11-24 01:50:46,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:50:46,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638147990]
[2024-11-24 01:50:46,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:50:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:50:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:50:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 01:50:49,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:50:49,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638147990]
[2024-11-24 01:50:49,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638147990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:50:49,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:50:49,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 01:50:49,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244421072]
[2024-11-24 01:50:49,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:50:49,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 01:50:49,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:50:49,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 01:50:49,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:50:49,061 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-24 01:50:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:50:49,269 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions.
[2024-11-24 01:50:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:50:49,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46
[2024-11-24 01:50:49,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:50:49,271 INFO L225 Difference]: With dead ends: 34
[2024-11-24 01:50:49,271 INFO L226 Difference]: Without dead ends: 0
[2024-11-24 01:50:49,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-11-24 01:50:49,273 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 17 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:50:49,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 116 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:50:49,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 01:50:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 01:50:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-11-24 01:50:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 01:50:49,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46
[2024-11-24 01:50:49,277 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:50:49,277 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:50:49,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-24 01:50:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 01:50:49,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 01:50:49,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 01:50:49,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:50:49,284 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-24 01:50:49,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 01:50:49,306 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:50:49,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:50:49 BoogieIcfgContainer
[2024-11-24 01:50:49,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:50:49,317 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:50:49,317 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:50:49,317 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:50:49,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:45" (3/4) ...
[2024-11-24 01:50:49,320 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 01:50:49,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-24 01:50:49,345 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-24 01:50:49,345 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-24 01:50:49,345 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 01:50:49,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 01:50:49,424 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:50:49,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 01:50:49,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:50:49,427 INFO L158 Benchmark]: Toolchain (without parser) took 4363.29ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 86.3MB in the end (delta: 6.6MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB.
[2024-11-24 01:50:49,430 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:50:49,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:50:49,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.01ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:50:49,431 INFO L158 Benchmark]: Boogie Preprocessor took 54.40ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:50:49,431 INFO L158 Benchmark]: RCFGBuilder took 434.36ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 63.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:50:49,431 INFO L158 Benchmark]: TraceAbstraction took 3369.33ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 32.9MB in the end (delta: 29.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB.
[2024-11-24 01:50:49,432 INFO L158 Benchmark]: Witness Printer took 109.18ms. Allocated memory is still 117.4MB. Free memory was 32.9MB in the beginning and 86.3MB in the end (delta: -53.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:50:49,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 323.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 65.01ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.40ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 434.36ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 63.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 3369.33ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 32.9MB in the end (delta: 29.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB.
* Witness Printer took 109.18ms. Allocated memory is still 117.4MB. Free memory was 32.9MB in the beginning and 86.3MB in the end (delta: -53.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: 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
CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 71 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 129 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 170/180 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!
[2024-11-24 01:50:49,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6356209-edca-46af-803f-5b0f152249ae/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