./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1 --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 64bit --witnessprinter.graph.data.programhash a88178fc87721f9fcc743f79bc2a47ff45a89438b0709780ae0f715015934520
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:05:25,343 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:05:25,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 06:05:25,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:05:25,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:05:25,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:05:25,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:05:25,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:05:25,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:05:25,436 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:05:25,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:05:25,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:05:25,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:05:25,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:05:25,437 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:05:25,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:05:25,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:05:25,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:05:25,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:05:25,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:05:25,438 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:05:25,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:05:25,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:05:25,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:05:25,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:05:25,440 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:05:25,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:05:25,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:05:25,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:05:25,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:05:25,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:05:25,440 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_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88178fc87721f9fcc743f79bc2a47ff45a89438b0709780ae0f715015934520
[2024-12-02 06:05:25,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:05:25,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:05:25,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:05:25,707 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:05:25,708 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:05:25,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i
[2024-12-02 06:05:28,384 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/data/434bc4dce/defb2cd4d3a24c1bab11a54e00218e03/FLAG4332ad41e
[2024-12-02 06:05:28,675 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:05:28,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i
[2024-12-02 06:05:28,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/data/434bc4dce/defb2cd4d3a24c1bab11a54e00218e03/FLAG4332ad41e
[2024-12-02 06:05:28,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/data/434bc4dce/defb2cd4d3a24c1bab11a54e00218e03
[2024-12-02 06:05:28,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:05:28,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:05:28,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:05:28,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:05:28,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:05:28,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:05:28" (1/1) ...
[2024-12-02 06:05:28,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346aaf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:28, skipping insertion in model container
[2024-12-02 06:05:28,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:05:28" (1/1) ...
[2024-12-02 06:05:29,006 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:05:29,247 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:05:29,256 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:05:29,295 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:05:29,320 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:05:29,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29 WrapperNode
[2024-12-02 06:05:29,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:05:29,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:05:29,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:05:29,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:05:29,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,358 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78
[2024-12-02 06:05:29,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:05:29,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:05:29,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:05:29,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:05:29,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,384 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3].
[2024-12-02 06:05:29,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,391 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:05:29,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:05:29,400 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:05:29,400 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:05:29,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (1/1) ...
[2024-12-02 06:05:29,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:05:29,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:29,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:05:29,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:05:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 06:05:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 06:05:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 06:05:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 06:05:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:05:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:05:29,538 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:05:29,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:05:29,687 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live.
[2024-12-02 06:05:29,687 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:05:29,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:05:29,696 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-12-02 06:05:29,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:29 BoogieIcfgContainer
[2024-12-02 06:05:29,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:05:29,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:05:29,699 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:05:29,703 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:05:29,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:05:28" (1/3) ...
[2024-12-02 06:05:29,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b46e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:05:29, skipping insertion in model container
[2024-12-02 06:05:29,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:29" (2/3) ...
[2024-12-02 06:05:29,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b46e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:05:29, skipping insertion in model container
[2024-12-02 06:05:29,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:29" (3/3) ...
[2024-12-02 06:05:29,705 INFO L128 eAbstractionObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i
[2024-12-02 06:05:29,721 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:05:29,723 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG java_BubbleSort-alloca-2.i that has 1 procedures, 46 locations, 1 initial locations, 3 loop locations, and 14 error locations.
[2024-12-02 06:05:29,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:05:29,785 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;@3cbb2790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:05:29,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2024-12-02 06:05:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 06:05:29,795 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:29,795 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:29,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:29,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1804969385, now seen corresponding path program 1 times
[2024-12-02 06:05:29,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:29,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797974473]
[2024-12-02 06:05:29,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:29,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:30,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797974473]
[2024-12-02 06:05:30,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797974473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:30,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:30,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:30,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543330423]
[2024-12-02 06:05:30,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:30,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:30,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:30,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:30,050 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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)
[2024-12-02 06:05:30,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:30,107 INFO L93 Difference]: Finished difference Result 88 states and 101 transitions.
[2024-12-02 06:05:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:30,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2024-12-02 06:05:30,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:30,116 INFO L225 Difference]: With dead ends: 88
[2024-12-02 06:05:30,116 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 06:05:30,119 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
[2024-12-02 06:05:30,122 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 1 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:30,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 127 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:30,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 06:05:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-12-02 06:05:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.59375) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions.
[2024-12-02 06:05:30,163 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 7
[2024-12-02 06:05:30,163 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:30,163 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions.
[2024-12-02 06:05:30,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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)
[2024-12-02 06:05:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions.
[2024-12-02 06:05:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 06:05:30,164 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:30,164 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:30,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:05:30,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:30,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:30,165 INFO L85 PathProgramCache]: Analyzing trace with hash -589109548, now seen corresponding path program 1 times
[2024-12-02 06:05:30,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:30,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722265041]
[2024-12-02 06:05:30,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:30,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:30,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722265041]
[2024-12-02 06:05:30,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722265041] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:30,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:30,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:05:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468574212]
[2024-12-02 06:05:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:30,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:30,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:30,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:30,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:30,256 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 4 states, 4 states have (on average 2.25) 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)
[2024-12-02 06:05:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:30,284 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions.
[2024-12-02 06:05:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:30,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) 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
[2024-12-02 06:05:30,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:30,286 INFO L225 Difference]: With dead ends: 78
[2024-12-02 06:05:30,286 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 06:05:30,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:30,287 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 78 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
[2024-12-02 06:05:30,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 78 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:30,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 06:05:30,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-12-02 06:05:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.5625) internal successors, (50), 45 states have internal predecessors, (50), 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)
[2024-12-02 06:05:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions.
[2024-12-02 06:05:30,292 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 9
[2024-12-02 06:05:30,292 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:30,292 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions.
[2024-12-02 06:05:30,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) 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)
[2024-12-02 06:05:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions.
[2024-12-02 06:05:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 06:05:30,293 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:30,293 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:30,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:05:30,294 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:30,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1214156829, now seen corresponding path program 1 times
[2024-12-02 06:05:30,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:30,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75790488]
[2024-12-02 06:05:30,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:30,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:30,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75790488]
[2024-12-02 06:05:30,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75790488] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:30,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107250470]
[2024-12-02 06:05:30,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:30,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:30,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:30,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:30,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:05:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:30,464 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,565 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:05:30,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107250470] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:30,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:05:30,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10
[2024-12-02 06:05:30,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53882825]
[2024-12-02 06:05:30,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:30,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:05:30,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:30,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:05:30,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:05:30,567 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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)
[2024-12-02 06:05:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:30,604 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions.
[2024-12-02 06:05:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:05:30,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 11
[2024-12-02 06:05:30,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:30,605 INFO L225 Difference]: With dead ends: 91
[2024-12-02 06:05:30,605 INFO L226 Difference]: Without dead ends: 53
[2024-12-02 06:05:30,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:05:30,606 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:30,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 114 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-12-02 06:05:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52.
[2024-12-02 06:05:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 51 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)
[2024-12-02 06:05:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions.
[2024-12-02 06:05:30,613 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 11
[2024-12-02 06:05:30,613 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:30,613 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions.
[2024-12-02 06:05:30,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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)
[2024-12-02 06:05:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions.
[2024-12-02 06:05:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 06:05:30,613 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:30,614 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:30,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:05:30,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-12-02 06:05:30,814 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:30,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:30,815 INFO L85 PathProgramCache]: Analyzing trace with hash -534098459, now seen corresponding path program 1 times
[2024-12-02 06:05:30,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:30,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081038438]
[2024-12-02 06:05:30,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:30,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:30,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081038438]
[2024-12-02 06:05:30,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081038438] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:30,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274923321]
[2024-12-02 06:05:30,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:30,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:30,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:05:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:30,959 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:05:30,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274923321] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:30,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:05:30,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-12-02 06:05:30,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448310611]
[2024-12-02 06:05:30,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:30,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:05:30,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:30,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:05:30,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:05:30,998 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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)
[2024-12-02 06:05:31,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:31,030 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions.
[2024-12-02 06:05:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:05:31,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 11
[2024-12-02 06:05:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:31,031 INFO L225 Difference]: With dead ends: 52
[2024-12-02 06:05:31,031 INFO L226 Difference]: Without dead ends: 51
[2024-12-02 06:05:31,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:05:31,032 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:31,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-02 06:05:31,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-12-02 06:05:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 50 states have internal predecessors, (55), 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)
[2024-12-02 06:05:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions.
[2024-12-02 06:05:31,038 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 11
[2024-12-02 06:05:31,038 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:31,038 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions.
[2024-12-02 06:05:31,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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)
[2024-12-02 06:05:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions.
[2024-12-02 06:05:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 06:05:31,039 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:31,039 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:31,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:05:31,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:31,239 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:31,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:31,240 INFO L85 PathProgramCache]: Analyzing trace with hash 622817008, now seen corresponding path program 1 times
[2024-12-02 06:05:31,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:31,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813538953]
[2024-12-02 06:05:31,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:31,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:31,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:31,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813538953]
[2024-12-02 06:05:31,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813538953] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:31,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553166628]
[2024-12-02 06:05:31,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:31,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:31,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 06:05:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:31,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:31,383 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:31,421 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:31,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553166628] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:31,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:31,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-12-02 06:05:31,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353098352]
[2024-12-02 06:05:31,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:31,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 06:05:31,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:31,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 06:05:31,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-12-02 06:05:31,474 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 12 states have internal predecessors, (26), 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)
[2024-12-02 06:05:31,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:31,558 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions.
[2024-12-02 06:05:31,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:05:31,559 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 12 states have internal predecessors, (26), 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 12
[2024-12-02 06:05:31,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:31,561 INFO L225 Difference]: With dead ends: 64
[2024-12-02 06:05:31,561 INFO L226 Difference]: Without dead ends: 63
[2024-12-02 06:05:31,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-12-02 06:05:31,562 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:31,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:05:31,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2024-12-02 06:05:31,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2024-12-02 06:05:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.4) internal successors, (70), 62 states have internal predecessors, (70), 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)
[2024-12-02 06:05:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions.
[2024-12-02 06:05:31,570 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 12
[2024-12-02 06:05:31,570 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:31,570 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions.
[2024-12-02 06:05:31,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 12 states have internal predecessors, (26), 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)
[2024-12-02 06:05:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions.
[2024-12-02 06:05:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 06:05:31,571 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:31,572 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:31,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 06:05:31,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:31,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:31,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:31,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1428490894, now seen corresponding path program 1 times
[2024-12-02 06:05:31,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:31,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071975451]
[2024-12-02 06:05:31,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:31,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:31,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:31,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071975451]
[2024-12-02 06:05:31,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071975451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:31,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:31,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:05:31,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702418907]
[2024-12-02 06:05:31,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:31,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:05:31,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:31,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:05:31,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:05:31,809 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2024-12-02 06:05:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:31,830 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions.
[2024-12-02 06:05:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:05:31,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13
[2024-12-02 06:05:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:31,831 INFO L225 Difference]: With dead ends: 63
[2024-12-02 06:05:31,831 INFO L226 Difference]: Without dead ends: 62
[2024-12-02 06:05:31,832 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
[2024-12-02 06:05:31,832 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 24 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:31,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 52 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:31,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-12-02 06:05:31,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-12-02 06:05:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 50 states have (on average 1.38) internal successors, (69), 61 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions.
[2024-12-02 06:05:31,838 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 13
[2024-12-02 06:05:31,838 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:31,839 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions.
[2024-12-02 06:05:31,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2024-12-02 06:05:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions.
[2024-12-02 06:05:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 06:05:31,839 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:31,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:31,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 06:05:31,840 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:31,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1333544828, now seen corresponding path program 1 times
[2024-12-02 06:05:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:31,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394211286]
[2024-12-02 06:05:31,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:31,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:31,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394211286]
[2024-12-02 06:05:31,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394211286] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:31,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:31,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:31,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113223798]
[2024-12-02 06:05:31,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:31,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:31,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:31,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:31,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:31,902 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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)
[2024-12-02 06:05:31,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:31,932 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions.
[2024-12-02 06:05:31,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:31,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14
[2024-12-02 06:05:31,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:31,934 INFO L225 Difference]: With dead ends: 94
[2024-12-02 06:05:31,934 INFO L226 Difference]: Without dead ends: 56
[2024-12-02 06:05:31,934 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
[2024-12-02 06:05:31,935 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:31,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-12-02 06:05:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-12-02 06:05:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 55 states have internal predecessors, (62), 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)
[2024-12-02 06:05:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions.
[2024-12-02 06:05:31,940 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 14
[2024-12-02 06:05:31,940 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:31,940 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions.
[2024-12-02 06:05:31,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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)
[2024-12-02 06:05:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions.
[2024-12-02 06:05:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 06:05:31,941 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:31,941 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:31,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 06:05:31,942 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:31,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:31,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1591710266, now seen corresponding path program 1 times
[2024-12-02 06:05:31,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:31,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068859637]
[2024-12-02 06:05:31,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:31,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:32,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:32,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068859637]
[2024-12-02 06:05:32,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068859637] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:32,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294871400]
[2024-12-02 06:05:32,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:32,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:32,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 06:05:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:32,093 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:32,162 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:05:32,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294871400] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:32,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:05:32,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8
[2024-12-02 06:05:32,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728709141]
[2024-12-02 06:05:32,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:32,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:32,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:32,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:32,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:05:32,164 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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)
[2024-12-02 06:05:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:32,200 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions.
[2024-12-02 06:05:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:32,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14
[2024-12-02 06:05:32,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:32,201 INFO L225 Difference]: With dead ends: 82
[2024-12-02 06:05:32,201 INFO L226 Difference]: Without dead ends: 81
[2024-12-02 06:05:32,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:05:32,202 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:32,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 89 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-12-02 06:05:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 72.
[2024-12-02 06:05:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 71 states have internal predecessors, (88), 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)
[2024-12-02 06:05:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions.
[2024-12-02 06:05:32,209 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 14
[2024-12-02 06:05:32,209 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:32,209 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions.
[2024-12-02 06:05:32,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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)
[2024-12-02 06:05:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions.
[2024-12-02 06:05:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 06:05:32,210 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:32,210 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:32,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 06:05:32,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:32,411 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:32,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:32,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2093301353, now seen corresponding path program 1 times
[2024-12-02 06:05:32,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:32,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482861459]
[2024-12-02 06:05:32,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:32,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:32,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482861459]
[2024-12-02 06:05:32,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482861459] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:32,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:32,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:32,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146353118]
[2024-12-02 06:05:32,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:32,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:32,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:32,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:32,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:32,455 INFO L87 Difference]: Start difference. First operand 72 states and 88 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-12-02 06:05:32,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:32,478 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions.
[2024-12-02 06:05:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:32,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17
[2024-12-02 06:05:32,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:32,479 INFO L225 Difference]: With dead ends: 72
[2024-12-02 06:05:32,479 INFO L226 Difference]: Without dead ends: 71
[2024-12-02 06:05:32,479 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
[2024-12-02 06:05:32,480 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:32,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 73 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-12-02 06:05:32,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2024-12-02 06:05:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 60 states have (on average 1.45) internal successors, (87), 70 states have internal predecessors, (87), 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)
[2024-12-02 06:05:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 87 transitions.
[2024-12-02 06:05:32,486 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 87 transitions. Word has length 17
[2024-12-02 06:05:32,486 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:32,486 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 87 transitions.
[2024-12-02 06:05:32,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-12-02 06:05:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions.
[2024-12-02 06:05:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 06:05:32,487 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:32,487 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:32,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 06:05:32,487 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:32,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:32,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2093304139, now seen corresponding path program 1 times
[2024-12-02 06:05:32,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:32,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733481096]
[2024-12-02 06:05:32,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:32,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:32,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733481096]
[2024-12-02 06:05:32,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733481096] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:32,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:32,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:05:32,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869703740]
[2024-12-02 06:05:32,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:32,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:05:32,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:32,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:05:32,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:05:32,519 INFO L87 Difference]: Start difference. First operand 71 states and 87 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2024-12-02 06:05:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:32,568 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions.
[2024-12-02 06:05:32,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:05:32,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17
[2024-12-02 06:05:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:32,569 INFO L225 Difference]: With dead ends: 102
[2024-12-02 06:05:32,569 INFO L226 Difference]: Without dead ends: 96
[2024-12-02 06:05:32,569 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
[2024-12-02 06:05:32,570 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 9 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:32,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 53 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:32,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-12-02 06:05:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93.
[2024-12-02 06:05:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 92 states have internal predecessors, (114), 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)
[2024-12-02 06:05:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions.
[2024-12-02 06:05:32,576 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 17
[2024-12-02 06:05:32,576 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:32,576 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions.
[2024-12-02 06:05:32,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2024-12-02 06:05:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions.
[2024-12-02 06:05:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 06:05:32,577 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:32,578 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:32,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 06:05:32,578 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:32,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:32,578 INFO L85 PathProgramCache]: Analyzing trace with hash -467832391, now seen corresponding path program 1 times
[2024-12-02 06:05:32,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:32,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611489292]
[2024-12-02 06:05:32,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:32,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:32,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611489292]
[2024-12-02 06:05:32,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611489292] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:32,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:32,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:32,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465354387]
[2024-12-02 06:05:32,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:32,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:32,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:32,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:32,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:32,612 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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)
[2024-12-02 06:05:32,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:32,639 INFO L93 Difference]: Finished difference Result 105 states and 118 transitions.
[2024-12-02 06:05:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18
[2024-12-02 06:05:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:32,640 INFO L225 Difference]: With dead ends: 105
[2024-12-02 06:05:32,640 INFO L226 Difference]: Without dead ends: 104
[2024-12-02 06:05:32,640 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
[2024-12-02 06:05:32,641 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 21 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:32,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 98 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2024-12-02 06:05:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96.
[2024-12-02 06:05:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 95 states have internal predecessors, (117), 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)
[2024-12-02 06:05:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions.
[2024-12-02 06:05:32,648 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 18
[2024-12-02 06:05:32,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:32,648 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions.
[2024-12-02 06:05:32,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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)
[2024-12-02 06:05:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions.
[2024-12-02 06:05:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 06:05:32,649 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:32,649 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]
[2024-12-02 06:05:32,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 06:05:32,649 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:32,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:32,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1695446052, now seen corresponding path program 1 times
[2024-12-02 06:05:32,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:32,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647159302]
[2024-12-02 06:05:32,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:05:32,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:32,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647159302]
[2024-12-02 06:05:32,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647159302] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:32,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:32,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412545601]
[2024-12-02 06:05:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:32,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:32,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:32,691 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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)
[2024-12-02 06:05:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:32,737 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions.
[2024-12-02 06:05:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:32,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 21
[2024-12-02 06:05:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:32,739 INFO L225 Difference]: With dead ends: 105
[2024-12-02 06:05:32,739 INFO L226 Difference]: Without dead ends: 103
[2024-12-02 06:05:32,739 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
[2024-12-02 06:05:32,739 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:32,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 76 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:32,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2024-12-02 06:05:32,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102.
[2024-12-02 06:05:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 101 states have internal predecessors, (123), 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)
[2024-12-02 06:05:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 123 transitions.
[2024-12-02 06:05:32,745 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 123 transitions. Word has length 21
[2024-12-02 06:05:32,746 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:32,746 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 123 transitions.
[2024-12-02 06:05:32,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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)
[2024-12-02 06:05:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions.
[2024-12-02 06:05:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 06:05:32,746 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:32,746 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:32,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 06:05:32,747 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:32,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:32,747 INFO L85 PathProgramCache]: Analyzing trace with hash -800484065, now seen corresponding path program 1 times
[2024-12-02 06:05:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556259206]
[2024-12-02 06:05:32,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:05:32,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:32,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556259206]
[2024-12-02 06:05:32,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556259206] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:32,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602276112]
[2024-12-02 06:05:32,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:32,828 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:32,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 06:05:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:32,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:32,888 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:05:32,938 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:05:32,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602276112] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:32,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:32,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11
[2024-12-02 06:05:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85827576]
[2024-12-02 06:05:32,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:32,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 06:05:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:32,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 06:05:32,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:05:32,989 INFO L87 Difference]: Start difference. First operand 102 states and 123 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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)
[2024-12-02 06:05:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:33,037 INFO L93 Difference]: Finished difference Result 179 states and 217 transitions.
[2024-12-02 06:05:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 06:05:33,037 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 22
[2024-12-02 06:05:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:33,038 INFO L225 Difference]: With dead ends: 179
[2024-12-02 06:05:33,038 INFO L226 Difference]: Without dead ends: 102
[2024-12-02 06:05:33,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:05:33,039 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:33,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 199 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-12-02 06:05:33,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2024-12-02 06:05:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 101 states have internal predecessors, (122), 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)
[2024-12-02 06:05:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 122 transitions.
[2024-12-02 06:05:33,045 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 122 transitions. Word has length 22
[2024-12-02 06:05:33,045 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:33,045 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 122 transitions.
[2024-12-02 06:05:33,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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)
[2024-12-02 06:05:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions.
[2024-12-02 06:05:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 06:05:33,045 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:33,045 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1]
[2024-12-02 06:05:33,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 06:05:33,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:33,246 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:33,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:33,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1236977410, now seen corresponding path program 2 times
[2024-12-02 06:05:33,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:33,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669133027]
[2024-12-02 06:05:33,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:33,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:33,261 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:05:33,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-12-02 06:05:33,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:33,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669133027]
[2024-12-02 06:05:33,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669133027] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:33,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757755705]
[2024-12-02 06:05:33,290 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:33,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:33,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:33,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 06:05:33,340 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:05:33,340 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:33,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:33,342 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-12-02 06:05:33,380 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-12-02 06:05:33,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757755705] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:33,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:33,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-02 06:05:33,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168795419]
[2024-12-02 06:05:33,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:33,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:05:33,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:33,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:05:33,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:05:33,415 INFO L87 Difference]: Start difference. First operand 102 states and 122 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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)
[2024-12-02 06:05:33,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:33,444 INFO L93 Difference]: Finished difference Result 102 states and 122 transitions.
[2024-12-02 06:05:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:05:33,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 24
[2024-12-02 06:05:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:33,445 INFO L225 Difference]: With dead ends: 102
[2024-12-02 06:05:33,445 INFO L226 Difference]: Without dead ends: 101
[2024-12-02 06:05:33,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:05:33,446 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:33,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 129 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:33,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2024-12-02 06:05:33,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 90.
[2024-12-02 06:05:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 80 states have (on average 1.35) internal successors, (108), 89 states have internal predecessors, (108), 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)
[2024-12-02 06:05:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions.
[2024-12-02 06:05:33,451 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 24
[2024-12-02 06:05:33,451 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:33,451 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions.
[2024-12-02 06:05:33,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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)
[2024-12-02 06:05:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions.
[2024-12-02 06:05:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-02 06:05:33,452 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:33,452 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:33,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-12-02 06:05:33,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:33,653 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:33,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:33,653 INFO L85 PathProgramCache]: Analyzing trace with hash -373538651, now seen corresponding path program 2 times
[2024-12-02 06:05:33,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:33,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969779439]
[2024-12-02 06:05:33,653 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:33,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:33,669 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:05:33,669 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 06:05:33,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:33,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969779439]
[2024-12-02 06:05:33,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969779439] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:33,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832706877]
[2024-12-02 06:05:33,757 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:33,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:33,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:33,760 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:33,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 06:05:33,819 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:05:33,819 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:33,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:33,821 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:33,940 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:34,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832706877] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:34,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:34,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 14
[2024-12-02 06:05:34,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60052679]
[2024-12-02 06:05:34,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:34,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 06:05:34,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:34,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 06:05:34,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2024-12-02 06:05:34,036 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:34,501 INFO L93 Difference]: Finished difference Result 177 states and 204 transitions.
[2024-12-02 06:05:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-12-02 06:05:34,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26
[2024-12-02 06:05:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:34,503 INFO L225 Difference]: With dead ends: 177
[2024-12-02 06:05:34,503 INFO L226 Difference]: Without dead ends: 131
[2024-12-02 06:05:34,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650
[2024-12-02 06:05:34,504 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 176 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:34,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 142 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:05:34,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-12-02 06:05:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 120.
[2024-12-02 06:05:34,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 110 states have (on average 1.2818181818181817) internal successors, (141), 119 states have internal predecessors, (141), 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)
[2024-12-02 06:05:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions.
[2024-12-02 06:05:34,511 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 26
[2024-12-02 06:05:34,512 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:34,512 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions.
[2024-12-02 06:05:34,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions.
[2024-12-02 06:05:34,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 06:05:34,512 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:34,512 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:34,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 06:05:34,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-12-02 06:05:34,713 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:34,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash 176344291, now seen corresponding path program 1 times
[2024-12-02 06:05:34,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:34,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148698753]
[2024-12-02 06:05:34,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:34,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 06:05:34,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:34,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148698753]
[2024-12-02 06:05:34,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148698753] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:34,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001451990]
[2024-12-02 06:05:34,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:34,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:34,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:34,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:34,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 06:05:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:34,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:34,830 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 06:05:34,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:05:34,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001451990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:34,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:05:34,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-12-02 06:05:34,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840908308]
[2024-12-02 06:05:34,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:34,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:34,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:34,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:34,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:05:34,853 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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)
[2024-12-02 06:05:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:34,889 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions.
[2024-12-02 06:05:34,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:34,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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
[2024-12-02 06:05:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:34,891 INFO L225 Difference]: With dead ends: 120
[2024-12-02 06:05:34,891 INFO L226 Difference]: Without dead ends: 116
[2024-12-02 06:05:34,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:05:34,892 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:34,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 53 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:34,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2024-12-02 06:05:34,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116.
[2024-12-02 06:05:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 110 states have (on average 1.1727272727272726) internal successors, (129), 115 states have internal predecessors, (129), 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)
[2024-12-02 06:05:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions.
[2024-12-02 06:05:34,896 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 31
[2024-12-02 06:05:34,896 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:34,896 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions.
[2024-12-02 06:05:34,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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)
[2024-12-02 06:05:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions.
[2024-12-02 06:05:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-02 06:05:34,896 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:34,897 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:34,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-12-02 06:05:35,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-12-02 06:05:35,097 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:35,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:35,098 INFO L85 PathProgramCache]: Analyzing trace with hash -611014826, now seen corresponding path program 1 times
[2024-12-02 06:05:35,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:35,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466183201]
[2024-12-02 06:05:35,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:35,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 06:05:35,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:35,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466183201]
[2024-12-02 06:05:35,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466183201] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:35,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:35,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:35,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966422500]
[2024-12-02 06:05:35,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:35,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:35,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:35,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:35,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:35,145 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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)
[2024-12-02 06:05:35,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:35,179 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions.
[2024-12-02 06:05:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:05:35,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 36
[2024-12-02 06:05:35,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:35,180 INFO L225 Difference]: With dead ends: 117
[2024-12-02 06:05:35,180 INFO L226 Difference]: Without dead ends: 114
[2024-12-02 06:05:35,180 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
[2024-12-02 06:05:35,181 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:35,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 60 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:35,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-12-02 06:05:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 83.
[2024-12-02 06:05:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.1375) internal successors, (91), 82 states have internal predecessors, (91), 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)
[2024-12-02 06:05:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions.
[2024-12-02 06:05:35,186 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 36
[2024-12-02 06:05:35,186 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:35,186 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions.
[2024-12-02 06:05:35,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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)
[2024-12-02 06:05:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions.
[2024-12-02 06:05:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-12-02 06:05:35,187 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:35,187 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:35,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 06:05:35,187 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:35,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:35,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1022627972, now seen corresponding path program 1 times
[2024-12-02 06:05:35,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:35,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035840712]
[2024-12-02 06:05:35,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:35,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 06:05:35,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:35,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035840712]
[2024-12-02 06:05:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035840712] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:35,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268439292]
[2024-12-02 06:05:35,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:35,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:35,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:35,368 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:35,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 06:05:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:35,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:35,434 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 06:05:35,586 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 06:05:35,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268439292] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:35,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:35,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16
[2024-12-02 06:05:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077437274]
[2024-12-02 06:05:35,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:35,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-12-02 06:05:35,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:35,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-12-02 06:05:35,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240
[2024-12-02 06:05:35,697 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:35,803 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions.
[2024-12-02 06:05:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:05:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50
[2024-12-02 06:05:35,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:35,804 INFO L225 Difference]: With dead ends: 158
[2024-12-02 06:05:35,804 INFO L226 Difference]: Without dead ends: 88
[2024-12-02 06:05:35,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240
[2024-12-02 06:05:35,805 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:35,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 203 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:05:35,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-12-02 06:05:35,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87.
[2024-12-02 06:05:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 84 states have (on average 1.130952380952381) internal successors, (95), 86 states have internal predecessors, (95), 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)
[2024-12-02 06:05:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions.
[2024-12-02 06:05:35,814 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 50
[2024-12-02 06:05:35,814 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:35,814 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions.
[2024-12-02 06:05:35,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions.
[2024-12-02 06:05:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2024-12-02 06:05:35,814 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:35,815 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:35,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 06:05:36,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-12-02 06:05:36,015 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:36,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:36,016 INFO L85 PathProgramCache]: Analyzing trace with hash 452048386, now seen corresponding path program 2 times
[2024-12-02 06:05:36,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:36,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111940675]
[2024-12-02 06:05:36,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:36,027 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:05:36,027 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-12-02 06:05:36,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:36,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111940675]
[2024-12-02 06:05:36,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111940675] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:36,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932644105]
[2024-12-02 06:05:36,067 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:36,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:36,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:36,069 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:36,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 06:05:36,132 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:05:36,132 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:36,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:36,134 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:36,206 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-12-02 06:05:36,206 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-12-02 06:05:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932644105] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:36,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:36,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5
[2024-12-02 06:05:36,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93909649]
[2024-12-02 06:05:36,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:36,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:05:36,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:36,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:05:36,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:05:36,289 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 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)
[2024-12-02 06:05:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:36,333 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions.
[2024-12-02 06:05:36,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:05:36,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 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 54
[2024-12-02 06:05:36,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:36,334 INFO L225 Difference]: With dead ends: 87
[2024-12-02 06:05:36,334 INFO L226 Difference]: Without dead ends: 86
[2024-12-02 06:05:36,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 06:05:36,335 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:36,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 63 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:36,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-12-02 06:05:36,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2024-12-02 06:05:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.119047619047619) internal successors, (94), 85 states have internal predecessors, (94), 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)
[2024-12-02 06:05:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions.
[2024-12-02 06:05:36,340 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 54
[2024-12-02 06:05:36,340 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:36,340 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions.
[2024-12-02 06:05:36,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 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)
[2024-12-02 06:05:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions.
[2024-12-02 06:05:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-12-02 06:05:36,341 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:36,341 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:36,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 06:05:36,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:36,541 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:36,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:36,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1063292136, now seen corresponding path program 1 times
[2024-12-02 06:05:36,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:36,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742915802]
[2024-12-02 06:05:36,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:36,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 06:05:36,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:36,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742915802]
[2024-12-02 06:05:36,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742915802] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:36,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73721257]
[2024-12-02 06:05:36,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:36,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:36,743 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:36,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 06:05:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:36,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:36,825 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 06:05:37,014 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 06:05:37,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73721257] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:37,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:37,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22
[2024-12-02 06:05:37,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262516875]
[2024-12-02 06:05:37,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:37,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-12-02 06:05:37,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:37,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-12-02 06:05:37,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462
[2024-12-02 06:05:37,176 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 22 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 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)
[2024-12-02 06:05:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:37,461 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions.
[2024-12-02 06:05:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-02 06:05:37,461 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 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 58
[2024-12-02 06:05:37,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:37,462 INFO L225 Difference]: With dead ends: 158
[2024-12-02 06:05:37,462 INFO L226 Difference]: Without dead ends: 109
[2024-12-02 06:05:37,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 101 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650
[2024-12-02 06:05:37,463 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 103 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:37,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 80 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:05:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-12-02 06:05:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100.
[2024-12-02 06:05:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 98 states have (on average 1.1122448979591837) internal successors, (109), 99 states have internal predecessors, (109), 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)
[2024-12-02 06:05:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions.
[2024-12-02 06:05:37,470 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 58
[2024-12-02 06:05:37,470 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:37,470 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions.
[2024-12-02 06:05:37,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 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)
[2024-12-02 06:05:37,470 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions.
[2024-12-02 06:05:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-12-02 06:05:37,471 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:37,471 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:37,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-12-02 06:05:37,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:37,672 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:37,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:37,672 INFO L85 PathProgramCache]: Analyzing trace with hash 888962676, now seen corresponding path program 2 times
[2024-12-02 06:05:37,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:37,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592980139]
[2024-12-02 06:05:37,672 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:37,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:37,689 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:05:37,690 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-02 06:05:37,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:37,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592980139]
[2024-12-02 06:05:37,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592980139] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:37,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599322077]
[2024-12-02 06:05:37,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:37,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:37,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:37,938 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:37,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 06:05:38,020 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:05:38,020 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:38,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:38,023 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-12-02 06:05:38,286 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:05:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599322077] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:05:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20
[2024-12-02 06:05:38,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811694036]
[2024-12-02 06:05:38,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:38,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 06:05:38,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:38,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 06:05:38,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420
[2024-12-02 06:05:38,287 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 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)
[2024-12-02 06:05:38,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:38,364 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions.
[2024-12-02 06:05:38,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 06:05:38,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 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 68
[2024-12-02 06:05:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:38,365 INFO L225 Difference]: With dead ends: 101
[2024-12-02 06:05:38,365 INFO L226 Difference]: Without dead ends: 100
[2024-12-02 06:05:38,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420
[2024-12-02 06:05:38,366 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 28 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:38,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 207 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:05:38,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-12-02 06:05:38,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99.
[2024-12-02 06:05:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.0918367346938775) internal successors, (107), 98 states have internal predecessors, (107), 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)
[2024-12-02 06:05:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions.
[2024-12-02 06:05:38,372 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 68
[2024-12-02 06:05:38,373 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:38,373 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions.
[2024-12-02 06:05:38,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 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)
[2024-12-02 06:05:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions.
[2024-12-02 06:05:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-12-02 06:05:38,373 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:38,374 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:38,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-02 06:05:38,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:38,574 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:38,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:38,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1500291194, now seen corresponding path program 1 times
[2024-12-02 06:05:38,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:38,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962120319]
[2024-12-02 06:05:38,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:38,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-12-02 06:05:38,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:38,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962120319]
[2024-12-02 06:05:38,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962120319] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:05:38,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395039059]
[2024-12-02 06:05:38,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:38,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:05:38,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:05:38,666 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:05:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 06:05:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:38,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-12-02 06:05:38,751 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:05:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-12-02 06:05:39,030 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:05:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-12-02 06:05:39,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395039059] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:05:39,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:05:39,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 15, 15] total 23
[2024-12-02 06:05:39,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680126383]
[2024-12-02 06:05:39,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:05:39,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-12-02 06:05:39,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:39,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-12-02 06:05:39,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506
[2024-12-02 06:05:39,247 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand has 23 states, 23 states have (on average 5.956521739130435) internal successors, (137), 23 states have internal predecessors, (137), 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)
[2024-12-02 06:05:39,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:39,682 INFO L93 Difference]: Finished difference Result 260 states and 286 transitions.
[2024-12-02 06:05:39,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-12-02 06:05:39,683 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.956521739130435) internal successors, (137), 23 states have internal predecessors, (137), 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 82
[2024-12-02 06:05:39,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:39,684 INFO L225 Difference]: With dead ends: 260
[2024-12-02 06:05:39,684 INFO L226 Difference]: Without dead ends: 156
[2024-12-02 06:05:39,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 141 SyntacticMatches, 8 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=698, Unknown=0, NotChecked=0, Total=812
[2024-12-02 06:05:39,686 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 65 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:39,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 110 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:05:39,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2024-12-02 06:05:39,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 131.
[2024-12-02 06:05:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.0846153846153845) internal successors, (141), 130 states have internal predecessors, (141), 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)
[2024-12-02 06:05:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 141 transitions.
[2024-12-02 06:05:39,700 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 141 transitions. Word has length 82
[2024-12-02 06:05:39,700 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:39,700 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 141 transitions.
[2024-12-02 06:05:39,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.956521739130435) internal successors, (137), 23 states have internal predecessors, (137), 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)
[2024-12-02 06:05:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 141 transitions.
[2024-12-02 06:05:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-12-02 06:05:39,701 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:05:39,702 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:39,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-12-02 06:05:39,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-12-02 06:05:39,902 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-02 06:05:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash -296517532, now seen corresponding path program 2 times
[2024-12-02 06:05:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61661794]
[2024-12-02 06:05:39,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:05:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:39,916 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:05:39,916 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:05:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-12-02 06:05:39,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:39,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61661794]
[2024-12-02 06:05:39,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61661794] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:39,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:39,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:05:39,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566827443]
[2024-12-02 06:05:39,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:39,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:39,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:39,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:39,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:39,937 INFO L87 Difference]: Start difference. First operand 131 states and 141 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)
[2024-12-02 06:05:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:39,972 INFO L93 Difference]: Finished difference Result 131 states and 141 transitions.
[2024-12-02 06:05:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:05:39,972 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 106
[2024-12-02 06:05:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:39,973 INFO L225 Difference]: With dead ends: 131
[2024-12-02 06:05:39,973 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 06:05:39,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:05:39,974 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:39,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 43 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:39,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 06:05:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 06:05:39,974 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)
[2024-12-02 06:05:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 06:05:39,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106
[2024-12-02 06:05:39,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:39,975 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 06:05:39,975 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)
[2024-12-02 06:05:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 06:05:39,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 06:05:39,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining)
[2024-12-02 06:05:39,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining)
[2024-12-02 06:05:39,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining)
[2024-12-02 06:05:39,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining)
[2024-12-02 06:05:39,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining)
[2024-12-02 06:05:39,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 06:05:39,983 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:05:39,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 06:05:40,238 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:05:40,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:05:40 BoogieIcfgContainer
[2024-12-02 06:05:40,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:05:40,255 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:05:40,255 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:05:40,255 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:05:40,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:29" (3/4) ...
[2024-12-02 06:05:40,258 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 06:05:40,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-12-02 06:05:40,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 06:05:40,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-02 06:05:40,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 06:05:40,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:05:40,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 06:05:40,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:05:40,356 INFO L158 Benchmark]: Toolchain (without parser) took 11382.19ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 33.1MB in the end (delta: 59.4MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB.
[2024-12-02 06:05:40,356 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:05:40,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.61ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:05:40,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.34ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:05:40,357 INFO L158 Benchmark]: Boogie Preprocessor took 40.99ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:05:40,357 INFO L158 Benchmark]: RCFGBuilder took 296.44ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 60.5MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:05:40,357 INFO L158 Benchmark]: TraceAbstraction took 10555.37ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 38.7MB in the end (delta: 21.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
[2024-12-02 06:05:40,357 INFO L158 Benchmark]: Witness Printer took 100.49ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 33.1MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:05:40,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 346.61ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.34ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.99ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 296.44ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 60.5MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 10555.37ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 38.7MB in the end (delta: 21.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
* Witness Printer took 100.49ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 33.1MB in the end (delta: 5.7MB). There was no memory consumed. 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: 562]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 562]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 551]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 551]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 552]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 552]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 553]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 553]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 553]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 553]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 551]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 551]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 550]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 550]: 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, 46 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 23, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 557 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 557 mSDsluCounter, 2424 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1737 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2374 IncrementalHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 687 mSDtfsCounter, 2374 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 920 GetRequests, 702 SyntacticMatches, 35 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=22, InterpolantAutomatonStates: 168, 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, 23 MinimizatonAttempts, 111 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1184 NumberOfCodeBlocks, 980 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1468 ConstructedInterpolants, 0 QuantifiedInterpolants, 4412 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1141 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 44 InterpolantComputations, 15 PerfectInterpolantSequences, 1254/1510 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
14 specifications checked. All of them hold
- InvariantResult [Line: 551]: Loop Invariant
Derived loop invariant: ((((((0 <= (i + 2147483648)) && (2 <= pass)) && (((long) pass + 1) <= n)) && (n <= 2147483647)) || ((((0 <= (i + 2147483648)) && (3 <= n)) && (n <= 2147483647)) && (pass == 1))) || (((0 <= (i + 2147483648)) && (n == 2)) && (pass == 1)))
- InvariantResult [Line: 550]: Loop Invariant
Derived loop invariant: (((n <= 2147483647) && (pass == 1)) || ((2 <= pass) && (n <= 2147483647)))
- InvariantResult [Line: 562]: Loop Invariant
Derived loop invariant: ((((((array_size <= 2147483647) && (i == 0)) && (1 <= array_size)) || (((array_size <= 2147483647) && (i == 1)) && (1 <= array_size))) || (((array_size <= 2147483647) && (2 <= i)) && (3 <= array_size))) || (((2 <= array_size) && (array_size <= 2147483647)) && (2 == i)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 06:05:40,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d00a67-f577-45be-ba9d-82996ebe7eae/bin/uautomizer-verify-84ZbGMXZE1/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