./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init1_ground-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
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_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/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_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init1_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/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 32bit --witnessprinter.graph.data.programhash 6f1eb5be2ecf3162a40e750dd6eacae17adaae5e4023d9d8d8174c2bd15bfaf3
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:23:02,754 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:23:02,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 13:23:02,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:23:02,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:23:02,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:23:02,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:23:02,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:23:02,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:23:02,841 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:23:02,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:23:02,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:23:02,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:23:02,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:23:02,842 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:23:02,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:23:02,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:23:02,842 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:23:02,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:23:02,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:23:02,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:23:02,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:23:02,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:23:02,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:23:02,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:23:02,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:23:02,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:23:02,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:23:02,846 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_ea72c1da-9450-49cb-a210-c41dc990e55a/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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f1eb5be2ecf3162a40e750dd6eacae17adaae5e4023d9d8d8174c2bd15bfaf3
[2024-12-02 13:23:03,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:23:03,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:23:03,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:23:03,104 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:23:03,104 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:23:03,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-examples/standard_init1_ground-1.i
[2024-12-02 13:23:05,739 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/data/a374d64d9/f11e10a1bf784240891233b59ce37d26/FLAGe736f1aba
[2024-12-02 13:23:05,995 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:23:05,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/sv-benchmarks/c/array-examples/standard_init1_ground-1.i
[2024-12-02 13:23:06,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/data/a374d64d9/f11e10a1bf784240891233b59ce37d26/FLAGe736f1aba
[2024-12-02 13:23:06,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/data/a374d64d9/f11e10a1bf784240891233b59ce37d26
[2024-12-02 13:23:06,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:23:06,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:23:06,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:23:06,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:23:06,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:23:06,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b98565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06, skipping insertion in model container
[2024-12-02 13:23:06,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,355 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:23:06,467 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:23:06,475 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:23:06,487 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:23:06,499 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:23:06,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06 WrapperNode
[2024-12-02 13:23:06,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:23:06,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:23:06,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:23:06,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:23:06,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,530 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43
[2024-12-02 13:23:06,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:23:06,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:23:06,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:23:06,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:23:06,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,552 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-12-02 13:23:06,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:23:06,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:23:06,561 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:23:06,561 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:23:06,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (1/1) ...
[2024-12-02 13:23:06,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:23:06,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:23:06,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:23:06,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:23:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 13:23:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 13:23:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 13:23:06,659 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:23:06,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:23:06,750 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live.
[2024-12-02 13:23:06,750 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:23:06,757 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:23:06,758 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 13:23:06,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:23:06 BoogieIcfgContainer
[2024-12-02 13:23:06,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:23:06,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:23:06,760 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:23:06,763 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:23:06,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:23:06" (1/3) ...
[2024-12-02 13:23:06,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392d30ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:23:06, skipping insertion in model container
[2024-12-02 13:23:06,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:06" (2/3) ...
[2024-12-02 13:23:06,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392d30ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:23:06, skipping insertion in model container
[2024-12-02 13:23:06,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:23:06" (3/3) ...
[2024-12-02 13:23:06,765 INFO L128 eAbstractionObserver]: Analyzing ICFG standard_init1_ground-1.i
[2024-12-02 13:23:06,777 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:23:06,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG standard_init1_ground-1.i that has 1 procedures, 24 locations, 1 initial locations, 2 loop locations, and 4 error locations.
[2024-12-02 13:23:06,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:23:06,831 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;@29fdb31b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:23:06,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 13:23:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 23 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 13:23:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 13:23:06,840 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:06,840 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 13:23:06,841 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:06,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times
[2024-12-02 13:23:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:06,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514753543]
[2024-12-02 13:23:06,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:06,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:07,004 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 13:23:07,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:07,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514753543]
[2024-12-02 13:23:07,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514753543] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:07,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:07,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:23:07,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371864058]
[2024-12-02 13:23:07,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:07,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:23:07,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:07,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:23:07,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:23:07,030 INFO L87 Difference]: Start difference. First operand has 24 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 23 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:07,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:07,078 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions.
[2024-12-02 13:23:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:23:07,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-12-02 13:23:07,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:07,085 INFO L225 Difference]: With dead ends: 45
[2024-12-02 13:23:07,085 INFO L226 Difference]: Without dead ends: 21
[2024-12-02 13:23:07,088 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 13:23:07,090 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:07,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:23:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2024-12-02 13:23:07,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2024-12-02 13:23:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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 13:23:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions.
[2024-12-02 13:23:07,116 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 5
[2024-12-02 13:23:07,116 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:07,116 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions.
[2024-12-02 13:23:07,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions.
[2024-12-02 13:23:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 13:23:07,117 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:07,117 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-12-02 13:23:07,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:23:07,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:07,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:07,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2138801440, now seen corresponding path program 1 times
[2024-12-02 13:23:07,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:07,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729067301]
[2024-12-02 13:23:07,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:07,199 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 13:23:07,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729067301]
[2024-12-02 13:23:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729067301] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:23:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922857855]
[2024-12-02 13:23:07,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:07,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:07,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:23:07,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:23:07,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:23:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:07,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:23:07,258 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:23:07,307 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 13:23:07,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:23:07,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922857855] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:07,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 13:23:07,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2024-12-02 13:23:07,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52859369]
[2024-12-02 13:23:07,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:07,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:23:07,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:07,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:23:07,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:07,309 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:07,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:07,338 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions.
[2024-12-02 13:23:07,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:23:07,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-02 13:23:07,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:07,340 INFO L225 Difference]: With dead ends: 21
[2024-12-02 13:23:07,340 INFO L226 Difference]: Without dead ends: 20
[2024-12-02 13:23:07,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:07,341 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:07,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:23:07,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-12-02 13:23:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-12-02 13:23:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 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 13:23:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions.
[2024-12-02 13:23:07,345 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 9
[2024-12-02 13:23:07,345 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:07,345 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions.
[2024-12-02 13:23:07,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions.
[2024-12-02 13:23:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 13:23:07,346 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:07,346 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1]
[2024-12-02 13:23:07,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:23:07,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:07,547 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:07,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1878335154, now seen corresponding path program 1 times
[2024-12-02 13:23:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122175669]
[2024-12-02 13:23:07,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 13:23:07,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:07,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122175669]
[2024-12-02 13:23:07,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122175669] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:07,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:07,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:23:07,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147624136]
[2024-12-02 13:23:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:07,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:23:07,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:07,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:23:07,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:23:07,584 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:07,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:07,597 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions.
[2024-12-02 13:23:07,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:23:07,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-12-02 13:23:07,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:07,598 INFO L225 Difference]: With dead ends: 20
[2024-12-02 13:23:07,598 INFO L226 Difference]: Without dead ends: 19
[2024-12-02 13:23:07,599 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 13:23:07,599 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:07,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:23:07,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-12-02 13:23:07,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16.
[2024-12-02 13:23:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 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 13:23:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2024-12-02 13:23:07,603 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 10
[2024-12-02 13:23:07,603 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:07,603 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2024-12-02 13:23:07,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2024-12-02 13:23:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 13:23:07,604 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:07,604 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:07,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:23:07,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:07,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:07,605 INFO L85 PathProgramCache]: Analyzing trace with hash -633027082, now seen corresponding path program 1 times
[2024-12-02 13:23:07,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:07,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764091371]
[2024-12-02 13:23:07,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:07,669 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 13:23:07,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:07,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764091371]
[2024-12-02 13:23:07,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764091371] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:23:07,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572706174]
[2024-12-02 13:23:07,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:07,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:23:07,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:23:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:23:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:07,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:23:07,722 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:23:07,743 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 13:23:07,743 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:23:07,772 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 13:23:07,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572706174] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:23:07,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:23:07,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2024-12-02 13:23:07,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965256860]
[2024-12-02 13:23:07,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:23:07,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 13:23:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:07,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 13:23:07,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:23:07,774 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 13:23:07,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:07,806 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions.
[2024-12-02 13:23:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:23:07,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 13:23:07,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:07,807 INFO L225 Difference]: With dead ends: 37
[2024-12-02 13:23:07,807 INFO L226 Difference]: Without dead ends: 28
[2024-12-02 13:23:07,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:23:07,808 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:07,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 22 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:23:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-12-02 13:23:07,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2024-12-02 13:23:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 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 13:23:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions.
[2024-12-02 13:23:07,812 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 13
[2024-12-02 13:23:07,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:07,813 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions.
[2024-12-02 13:23:07,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 13:23:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions.
[2024-12-02 13:23:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 13:23:07,813 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:07,813 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:07,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:23:08,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:08,014 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:08,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1086087452, now seen corresponding path program 2 times
[2024-12-02 13:23:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:08,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104266313]
[2024-12-02 13:23:08,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:23:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:08,027 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 13:23:08,027 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:23:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-12-02 13:23:08,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:08,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104266313]
[2024-12-02 13:23:08,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104266313] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:08,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:08,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:23:08,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496876855]
[2024-12-02 13:23:08,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:08,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:23:08,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:08,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:23:08,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:23:08,072 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 13:23:08,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:08,096 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions.
[2024-12-02 13:23:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:23:08,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 25
[2024-12-02 13:23:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:08,098 INFO L225 Difference]: With dead ends: 36
[2024-12-02 13:23:08,098 INFO L226 Difference]: Without dead ends: 34
[2024-12-02 13:23:08,098 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 13:23:08,099 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:08,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:23:08,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2024-12-02 13:23:08,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2024-12-02 13:23:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 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 13:23:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions.
[2024-12-02 13:23:08,104 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 25
[2024-12-02 13:23:08,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:08,104 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions.
[2024-12-02 13:23:08,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 13:23:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions.
[2024-12-02 13:23:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 13:23:08,105 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:08,105 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:08,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:23:08,105 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:08,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:08,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1034477732, now seen corresponding path program 1 times
[2024-12-02 13:23:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:08,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834712398]
[2024-12-02 13:23:08,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:23:08,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:08,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834712398]
[2024-12-02 13:23:08,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834712398] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:23:08,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813983583]
[2024-12-02 13:23:08,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:23:08,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:23:08,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 13:23:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:08,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 13:23:08,286 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:23:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:23:08,331 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:23:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:23:08,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813983583] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:23:08,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:23:08,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2024-12-02 13:23:08,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781877557]
[2024-12-02 13:23:08,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:23:08,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 13:23:08,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:08,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 13:23:08,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-12-02 13:23:08,423 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 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 13:23:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:08,491 INFO L93 Difference]: Finished difference Result 73 states and 80 transitions.
[2024-12-02 13:23:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-02 13:23:08,492 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 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) Word has length 31
[2024-12-02 13:23:08,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:08,492 INFO L225 Difference]: With dead ends: 73
[2024-12-02 13:23:08,492 INFO L226 Difference]: Without dead ends: 58
[2024-12-02 13:23:08,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-12-02 13:23:08,493 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:08,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 22 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:23:08,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-02 13:23:08,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-12-02 13:23:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 57 states have internal predecessors, (59), 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 13:23:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions.
[2024-12-02 13:23:08,500 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 31
[2024-12-02 13:23:08,500 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:08,500 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions.
[2024-12-02 13:23:08,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 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 13:23:08,501 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions.
[2024-12-02 13:23:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-12-02 13:23:08,502 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:08,502 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:08,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 13:23:08,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:08,703 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:08,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:08,703 INFO L85 PathProgramCache]: Analyzing trace with hash 144039224, now seen corresponding path program 2 times
[2024-12-02 13:23:08,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:08,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404628278]
[2024-12-02 13:23:08,703 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:23:08,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:08,730 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:23:08,730 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:23:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2024-12-02 13:23:08,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404628278]
[2024-12-02 13:23:08,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404628278] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:23:08,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998278131]
[2024-12-02 13:23:08,853 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:23:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:23:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:23:08,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:23:08,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 13:23:08,927 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:23:08,927 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:23:08,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 13:23:08,930 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:23:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:23:09,124 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:23:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 13:23:09,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998278131] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:23:09,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:23:09,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 28
[2024-12-02 13:23:09,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211201184]
[2024-12-02 13:23:09,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:23:09,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-12-02 13:23:09,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:09,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-12-02 13:23:09,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756
[2024-12-02 13:23:09,418 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 28 states have internal predecessors, (111), 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 13:23:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:09,597 INFO L93 Difference]: Finished difference Result 120 states and 134 transitions.
[2024-12-02 13:23:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-12-02 13:23:09,597 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 28 states have internal predecessors, (111), 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 55
[2024-12-02 13:23:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:09,598 INFO L225 Difference]: With dead ends: 120
[2024-12-02 13:23:09,598 INFO L226 Difference]: Without dead ends: 105
[2024-12-02 13:23:09,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756
[2024-12-02 13:23:09,599 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:09,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 46 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:23:09,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-12-02 13:23:09,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105.
[2024-12-02 13:23:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.0192307692307692) internal successors, (106), 104 states have internal predecessors, (106), 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 13:23:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions.
[2024-12-02 13:23:09,609 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 55
[2024-12-02 13:23:09,610 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:09,610 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions.
[2024-12-02 13:23:09,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 28 states have internal predecessors, (111), 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 13:23:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions.
[2024-12-02 13:23:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 13:23:09,612 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:23:09,612 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:09,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 13:23:09,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-12-02 13:23:09,813 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:23:09,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:09,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1371193696, now seen corresponding path program 1 times
[2024-12-02 13:23:09,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:09,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284243561]
[2024-12-02 13:23:09,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked.
[2024-12-02 13:23:09,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:09,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284243561]
[2024-12-02 13:23:09,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284243561] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:09,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:09,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:23:09,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306262867]
[2024-12-02 13:23:09,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:09,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:23:09,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:09,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:23:09,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:23:09,951 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 13:23:09,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:09,966 INFO L93 Difference]: Finished difference Result 105 states and 106 transitions.
[2024-12-02 13:23:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:23:09,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 104
[2024-12-02 13:23:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:09,967 INFO L225 Difference]: With dead ends: 105
[2024-12-02 13:23:09,967 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 13:23:09,967 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 13:23:09,968 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 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 13:23:09,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:23:09,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 13:23:09,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 13:23:09,968 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 13:23:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 13:23:09,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104
[2024-12-02 13:23:09,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:09,969 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 13:23:09,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 13:23:09,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 13:23:09,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 13:23:09,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 13:23:09,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 13:23:09,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 13:23:09,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 13:23:09,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 13:23:09,975 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1]
[2024-12-02 13:23:09,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 13:23:10,010 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:23:10,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:23:10 BoogieIcfgContainer
[2024-12-02 13:23:10,022 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:23:10,022 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:23:10,022 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:23:10,023 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:23:10,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:23:06" (3/4) ...
[2024-12-02 13:23:10,025 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 13:23:10,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-12-02 13:23:10,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 13:23:10,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 13:23:10,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 13:23:10,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:23:10,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:23:10,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:23:10,095 INFO L158 Benchmark]: Toolchain (without parser) took 3760.82ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 102.0MB in the end (delta: 15.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB.
[2024-12-02 13:23:10,095 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:23:10,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.76ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:23:10,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.98ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:23:10,096 INFO L158 Benchmark]: Boogie Preprocessor took 29.26ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:23:10,096 INFO L158 Benchmark]: RCFGBuilder took 197.14ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 94.4MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:23:10,096 INFO L158 Benchmark]: TraceAbstraction took 3262.34ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 106.6MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:23:10,096 INFO L158 Benchmark]: Witness Printer took 71.96ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 102.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:23:10,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 164.76ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 29.98ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.26ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 197.14ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 94.4MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3262.34ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 106.6MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 71.96ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 102.0MB in the end (delta: 4.6MB). 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: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 22]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 22]: 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, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 8, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 219 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 353 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 93 mSDtfsCounter, 353 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 360 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 444 ConstructedInterpolants, 0 QuantifiedInterpolants, 822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 344 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1202/1677 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
4 specifications checked. All of them hold
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: ((0 < x) || (x == 0))
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 13:23:10,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72c1da-9450-49cb-a210-c41dc990e55a/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