./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init4_ground-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/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_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init4_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84dd450b83ffc0eda27ceeda48a4324978aec0ffc3f50cf64d7cfe4a88062bda
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:59:31,973 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:59:32,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 23:59:32,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:59:32,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:59:32,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:59:32,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:59:32,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:59:32,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:59:32,128 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:59:32,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:59:32,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:59:32,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:59:32,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:59:32,130 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:59:32,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 23:59:32,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:59:32,132 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:59:32,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:59:32,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:59:32,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:59:32,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:59:32,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:59:32,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:59:32,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:59:32,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:59:32,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:59:32,136 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_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/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 ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84dd450b83ffc0eda27ceeda48a4324978aec0ffc3f50cf64d7cfe4a88062bda
[2024-11-23 23:59:32,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:59:32,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:59:32,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:59:32,570 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:59:32,571 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:59:32,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/array-examples/standard_init4_ground-1.i
[2024-11-23 23:59:36,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/data/f0eebc1c3/3d2f768e973a4c88a67f6903664d0991/FLAGff46a4e49
[2024-11-23 23:59:36,804 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:59:36,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/sv-benchmarks/c/array-examples/standard_init4_ground-1.i
[2024-11-23 23:59:36,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/data/f0eebc1c3/3d2f768e973a4c88a67f6903664d0991/FLAGff46a4e49
[2024-11-23 23:59:36,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/data/f0eebc1c3/3d2f768e973a4c88a67f6903664d0991
[2024-11-23 23:59:36,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:59:36,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:59:36,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:59:36,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:59:36,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:59:36,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:36" (1/1) ...
[2024-11-23 23:59:36,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b56ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:36, skipping insertion in model container
[2024-11-23 23:59:36,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:36" (1/1) ...
[2024-11-23 23:59:36,872 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:59:37,041 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:59:37,052 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:59:37,075 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:59:37,093 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:59:37,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37 WrapperNode
[2024-11-23 23:59:37,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:59:37,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:59:37,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:59:37,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:59:37,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,136 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67
[2024-11-23 23:59:37,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:59:37,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:59:37,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:59:37,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:59:37,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,186 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4].
[2024-11-23 23:59:37,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:59:37,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:59:37,218 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:59:37,222 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:59:37,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ...
[2024-11-23 23:59:37,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:59:37,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:59:37,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:59:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:59:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:59:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:59:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 23:59:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:59:37,424 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:59:37,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:59:37,638 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-23 23:59:37,638 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:59:37,653 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:59:37,653 INFO L312 CfgBuilder]: Removed 5 assume(true) statements.
[2024-11-23 23:59:37,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:37 BoogieIcfgContainer
[2024-11-23 23:59:37,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:59:37,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:59:37,657 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:59:37,664 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:59:37,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:59:36" (1/3) ...
[2024-11-23 23:59:37,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5e05dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:37, skipping insertion in model container
[2024-11-23 23:59:37,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (2/3) ...
[2024-11-23 23:59:37,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5e05dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:37, skipping insertion in model container
[2024-11-23 23:59:37,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:37" (3/3) ...
[2024-11-23 23:59:37,668 INFO L128 eAbstractionObserver]: Analyzing ICFG standard_init4_ground-1.i
[2024-11-23 23:59:37,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:59:37,693 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG standard_init4_ground-1.i that has 1 procedures, 45 locations, 1 initial locations, 5 loop locations, and 10 error locations.
[2024-11-23 23:59:37,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:59:37,811 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;@640d3d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:59:37,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-23 23:59:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 44 states have internal predecessors, (56), 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 23:59:37,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-23 23:59:37,828 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:37,829 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-23 23:59:37,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:37,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:37,838 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times
[2024-11-23 23:59:37,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:37,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833385716]
[2024-11-23 23:59:37,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:37,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:38,088 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 23:59:38,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:38,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833385716]
[2024-11-23 23:59:38,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833385716] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:59:38,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:59:38,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:59:38,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179159636]
[2024-11-23 23:59:38,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:59:38,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:59:38,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:38,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:59:38,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:59:38,124 INFO L87 Difference]: Start difference. First operand has 45 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 44 states have internal predecessors, (56), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 23:59:38,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:38,325 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions.
[2024-11-23 23:59:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:59:38,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5
[2024-11-23 23:59:38,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:38,335 INFO L225 Difference]: With dead ends: 99
[2024-11-23 23:59:38,335 INFO L226 Difference]: Without dead ends: 54
[2024-11-23 23:59:38,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:59:38,342 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:38,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 47 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:59:38,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-23 23:59:38,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-23 23:59:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 53 states have internal predecessors, (58), 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 23:59:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions.
[2024-11-23 23:59:38,385 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 5
[2024-11-23 23:59:38,385 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:38,385 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions.
[2024-11-23 23:59:38,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 23:59:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions.
[2024-11-23 23:59:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-23 23:59:38,386 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:38,386 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-11-23 23:59:38,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:59:38,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:38,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:38,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2138801440, now seen corresponding path program 1 times
[2024-11-23 23:59:38,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:38,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104319840]
[2024-11-23 23:59:38,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:38,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:59:38,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:38,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104319840]
[2024-11-23 23:59:38,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104319840] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:59:38,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700894868]
[2024-11-23 23:59:38,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:38,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:38,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:59:38,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:59:38,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:59:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:38,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:59:38,594 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:59:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:59:38,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:59:38,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700894868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:59:38,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:59:38,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2024-11-23 23:59:38,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869570523]
[2024-11-23 23:59:38,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:59:38,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:59:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:38,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:59:38,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:59:38,683 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 23:59:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:38,866 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions.
[2024-11-23 23:59:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:59:38,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9
[2024-11-23 23:59:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:38,871 INFO L225 Difference]: With dead ends: 54
[2024-11-23 23:59:38,871 INFO L226 Difference]: Without dead ends: 50
[2024-11-23 23:59:38,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:59:38,873 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 19 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:38,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 34 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:59:38,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-23 23:59:38,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-23 23:59:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 49 states have internal predecessors, (54), 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 23:59:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions.
[2024-11-23 23:59:38,881 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 9
[2024-11-23 23:59:38,882 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:38,882 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions.
[2024-11-23 23:59:38,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 23:59:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions.
[2024-11-23 23:59:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-23 23:59:38,882 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:38,883 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1]
[2024-11-23 23:59:38,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:59:39,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:39,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:39,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:39,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1878335154, now seen corresponding path program 1 times
[2024-11-23 23:59:39,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:39,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153047420]
[2024-11-23 23:59:39,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:39,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 23:59:39,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:39,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153047420]
[2024-11-23 23:59:39,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153047420] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:59:39,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:59:39,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:59:39,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680412589]
[2024-11-23 23:59:39,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:59:39,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:59:39,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:39,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:59:39,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:59:39,151 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 23:59:39,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:39,230 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions.
[2024-11-23 23:59:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:59:39,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10
[2024-11-23 23:59:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:39,234 INFO L225 Difference]: With dead ends: 50
[2024-11-23 23:59:39,234 INFO L226 Difference]: Without dead ends: 46
[2024-11-23 23:59:39,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:59:39,235 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:39,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 28 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:59:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-23 23:59:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 34.
[2024-11-23 23:59:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.1875) internal successors, (38), 33 states have internal predecessors, (38), 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 23:59:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions.
[2024-11-23 23:59:39,251 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 10
[2024-11-23 23:59:39,252 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:39,253 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions.
[2024-11-23 23:59:39,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 23:59:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions.
[2024-11-23 23:59:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-11-23 23:59:39,254 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:39,254 INFO L218 NwaCegarLoop]: 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, 1, 1, 1, 1]
[2024-11-23 23:59:39,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:59:39,255 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:39,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash 952740924, now seen corresponding path program 1 times
[2024-11-23 23:59:39,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:39,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169555473]
[2024-11-23 23:59:39,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:39,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 23:59:39,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:39,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169555473]
[2024-11-23 23:59:39,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169555473] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:59:39,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200066917]
[2024-11-23 23:59:39,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:39,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:39,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:59:39,463 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:59:39,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:59:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:39,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:59:39,554 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:59:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 23:59:39,586 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:59:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 23:59:39,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200066917] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:59:39,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:59:39,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2024-11-23 23:59:39,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736648135]
[2024-11-23 23:59:39,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:59:39,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-23 23:59:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:39,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-23 23:59:39,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:59:39,632 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 23:59:39,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:39,854 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions.
[2024-11-23 23:59:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:59:39,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) Word has length 31
[2024-11-23 23:59:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:39,856 INFO L225 Difference]: With dead ends: 109
[2024-11-23 23:59:39,856 INFO L226 Difference]: Without dead ends: 82
[2024-11-23 23:59:39,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:59:39,858 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 69 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:39,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 28 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:59:39,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-23 23:59:39,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2024-11-23 23:59:39,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.075) internal successors, (86), 81 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:59:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions.
[2024-11-23 23:59:39,879 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 31
[2024-11-23 23:59:39,879 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:39,882 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions.
[2024-11-23 23:59:39,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 23:59:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions.
[2024-11-23 23:59:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2024-11-23 23:59:39,885 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:39,885 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:59:39,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 23:59:40,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:40,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:40,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:40,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1517834740, now seen corresponding path program 2 times
[2024-11-23 23:59:40,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:40,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266083225]
[2024-11-23 23:59:40,087 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:59:40,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:40,124 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 23:59:40,124 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:59:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-23 23:59:40,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:40,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266083225]
[2024-11-23 23:59:40,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266083225] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:59:40,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:59:40,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:59:40,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211763544]
[2024-11-23 23:59:40,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:59:40,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:59:40,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:40,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:59:40,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:59:40,195 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 23:59:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:40,233 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions.
[2024-11-23 23:59:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:59:40,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) Word has length 79
[2024-11-23 23:59:40,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:40,235 INFO L225 Difference]: With dead ends: 90
[2024-11-23 23:59:40,235 INFO L226 Difference]: Without dead ends: 88
[2024-11-23 23:59:40,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:59:40,237 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:40,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:59:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-23 23:59:40,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2024-11-23 23:59:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 86 states have (on average 1.069767441860465) internal successors, (92), 87 states have internal predecessors, (92), 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 23:59:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions.
[2024-11-23 23:59:40,249 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 79
[2024-11-23 23:59:40,249 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:40,249 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions.
[2024-11-23 23:59:40,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 23:59:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions.
[2024-11-23 23:59:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-23 23:59:40,252 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:40,252 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:59:40,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 23:59:40,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:40,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:40,253 INFO L85 PathProgramCache]: Analyzing trace with hash -812299604, now seen corresponding path program 1 times
[2024-11-23 23:59:40,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:40,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044617234]
[2024-11-23 23:59:40,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2024-11-23 23:59:40,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:40,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044617234]
[2024-11-23 23:59:40,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044617234] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:59:40,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093572683]
[2024-11-23 23:59:40,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:40,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:40,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:59:40,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:59:40,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 23:59:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:40,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-23 23:59:40,831 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:59:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2024-11-23 23:59:40,905 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:59:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2024-11-23 23:59:41,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093572683] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:59:41,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:59:41,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2024-11-23 23:59:41,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120623924]
[2024-11-23 23:59:41,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:59:41,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-23 23:59:41,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:41,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-23 23:59:41,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-11-23 23:59:41,080 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 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 23:59:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:41,526 INFO L93 Difference]: Finished difference Result 253 states and 284 transitions.
[2024-11-23 23:59:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-23 23:59:41,526 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 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) Word has length 85
[2024-11-23 23:59:41,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:41,528 INFO L225 Difference]: With dead ends: 253
[2024-11-23 23:59:41,528 INFO L226 Difference]: Without dead ends: 184
[2024-11-23 23:59:41,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-11-23 23:59:41,529 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 159 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:41,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 58 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-23 23:59:41,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-23 23:59:41,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184.
[2024-11-23 23:59:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 182 states have (on average 1.032967032967033) internal successors, (188), 183 states have internal predecessors, (188), 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 23:59:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 188 transitions.
[2024-11-23 23:59:41,547 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 188 transitions. Word has length 85
[2024-11-23 23:59:41,547 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:41,547 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 188 transitions.
[2024-11-23 23:59:41,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 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 23:59:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 188 transitions.
[2024-11-23 23:59:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-23 23:59:41,553 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:41,553 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:59:41,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-23 23:59:41,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:41,758 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:41,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:41,760 INFO L85 PathProgramCache]: Analyzing trace with hash -451456484, now seen corresponding path program 2 times
[2024-11-23 23:59:41,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:41,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696559332]
[2024-11-23 23:59:41,760 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:59:41,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:41,871 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 23:59:41,871 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:59:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-23 23:59:42,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:42,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696559332]
[2024-11-23 23:59:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696559332] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:59:42,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651942845]
[2024-11-23 23:59:42,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 23:59:42,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:59:42,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:59:42,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:59:42,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 23:59:42,577 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 23:59:42,577 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 23:59:42,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-23 23:59:42,585 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:59:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked.
[2024-11-23 23:59:42,901 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:59:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked.
[2024-11-23 23:59:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651942845] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:59:43,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:59:43,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 28
[2024-11-23 23:59:43,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025971233]
[2024-11-23 23:59:43,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:59:43,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-23 23:59:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:43,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-23 23:59:43,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756
[2024-11-23 23:59:43,366 INFO L87 Difference]: Start difference. First operand 184 states and 188 transitions. Second operand has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 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 23:59:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:44,387 INFO L93 Difference]: Finished difference Result 516 states and 572 transitions.
[2024-11-23 23:59:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-11-23 23:59:44,388 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 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) Word has length 181
[2024-11-23 23:59:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:44,390 INFO L225 Difference]: With dead ends: 516
[2024-11-23 23:59:44,390 INFO L226 Difference]: Without dead ends: 375
[2024-11-23 23:59:44,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756
[2024-11-23 23:59:44,392 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 619 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:44,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 68 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-23 23:59:44,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states.
[2024-11-23 23:59:44,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375.
[2024-11-23 23:59:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 374 states have (on average 1.0133689839572193) internal successors, (379), 374 states have internal predecessors, (379), 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 23:59:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 379 transitions.
[2024-11-23 23:59:44,426 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 379 transitions. Word has length 181
[2024-11-23 23:59:44,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:44,427 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 379 transitions.
[2024-11-23 23:59:44,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 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 23:59:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 379 transitions.
[2024-11-23 23:59:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375
[2024-11-23 23:59:44,435 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:59:44,435 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:59:44,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-23 23:59:44,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-23 23:59:44,639 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-23 23:59:44,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:59:44,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2065465098, now seen corresponding path program 1 times
[2024-11-23 23:59:44,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:59:44,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382727080]
[2024-11-23 23:59:44,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:59:44,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:59:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:59:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3785 trivial. 0 not checked.
[2024-11-23 23:59:45,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:59:45,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382727080]
[2024-11-23 23:59:45,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382727080] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:59:45,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:59:45,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:59:45,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564769893]
[2024-11-23 23:59:45,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:59:45,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:59:45,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:59:45,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:59:45,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:59:45,187 INFO L87 Difference]: Start difference. First operand 375 states and 379 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 23:59:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:59:45,216 INFO L93 Difference]: Finished difference Result 375 states and 379 transitions.
[2024-11-23 23:59:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:59:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) Word has length 374
[2024-11-23 23:59:45,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:59:45,221 INFO L225 Difference]: With dead ends: 375
[2024-11-23 23:59:45,221 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 23:59:45,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:59:45,223 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:59:45,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:59:45,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:59:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:59:45,224 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)
[2024-11-23 23:59:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:59:45,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374
[2024-11-23 23:59:45,225 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:59:45,225 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:59:45,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 23:59:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:59:45,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:59:45,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-11-23 23:59:45,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-23 23:59:45,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-23 23:59:45,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-23 23:59:45,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-23 23:59:45,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-23 23:59:45,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-23 23:59:45,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-23 23:59:45,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-23 23:59:45,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-23 23:59:45,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 23:59:45,237 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1]
[2024-11-23 23:59:45,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:59:45,386 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:59:45,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:59:45 BoogieIcfgContainer
[2024-11-23 23:59:45,406 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:59:45,408 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:59:45,408 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:59:45,409 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:59:45,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:37" (3/4) ...
[2024-11-23 23:59:45,414 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:59:45,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-23 23:59:45,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 23:59:45,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:59:45,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 23:59:45,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:59:45,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:59:45,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:59:45,547 INFO L158 Benchmark]: Toolchain (without parser) took 8705.96ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 102.4MB in the end (delta: 15.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
[2024-11-23 23:59:45,548 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:59:45,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.67ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:59:45,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:59:45,549 INFO L158 Benchmark]: Boogie Preprocessor took 77.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:59:45,550 INFO L158 Benchmark]: RCFGBuilder took 435.84ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 92.3MB in the end (delta: 11.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:59:45,550 INFO L158 Benchmark]: TraceAbstraction took 7748.92ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 108.1MB in the end (delta: -16.5MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB.
[2024-11-23 23:59:45,550 INFO L158 Benchmark]: Witness Printer took 137.81ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 102.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:59:45,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 251.67ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.75ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 77.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 435.84ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 92.3MB in the end (delta: 11.5MB). There was no memory consumed. Max. memory is 16.1GB.
* TraceAbstraction took 7748.92ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 108.1MB in the end (delta: -16.5MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB.
* Witness Printer took 137.81ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 102.4MB in the end (delta: 5.7MB). 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]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 34]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 34]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 37]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 37]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 45 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 8, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 886 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 886 mSDsluCounter, 422 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 390 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 987 IncrementalHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 390 mSolverCounterUnsat, 168 mSDtfsCounter, 987 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 625 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1080 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1362 ConstructedInterpolants, 0 QuantifiedInterpolants, 1740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 776 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 6095/6570 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
10 specifications checked. All of them hold
- InvariantResult [Line: 32]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 37]: Loop Invariant
Derived loop invariant: ((0 < x) || (x == 0))
- InvariantResult [Line: 27]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:59:45,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae2f913-84da-4529-9dfd-e3e7e09a3a6d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE